write the equation of an exponential function that passes through the points (2,48) and (5,750).

Answers

Answer 1
Ok, so the function form is y = a * bx.
Substitute in the values:
750 = a * b5
and
48 = a * b2
Then divide the two equations:
750/ 48 = (a * b5) / (a * b2)
So:
15.625 = b3
Take the cube root of both sides:
2.5 = b
Now, substitue b into one of the equations (the one with 48 has smaller numbers and is easier to work with.)
48 = a * 2.52
Simplify.
48 = a * 6.25
Divide both sides by 6.25
7.68 = a
Now substitute in a and b to write the exponential function:
y = 7.68 * 2.5x
Answer 2

The equation of an exponential function will be y = 7.68 × 2.5ˣ.

What is equation of line?

The equation of line with slope m and passes through the point (x₁, y₁) is calculated as;

y - y₁ = m (x - x₁)

Given that;

An exponential function passes through the points (2, 48) and (5, 750).

Now, The exponential function is;

y = abˣ

Where, a and b are unknowns.

Hence, For the point (2, 48), we get the equation;

48 = ab² .. (i)

And, For the point (5, 750), we get;

750 = ab⁵   .... (ii)

Solve the equation (i) for value of a, we get;

48 = ab²

a = 48/b²

Substitute in equation (ii);

750 = ab⁵

750 = (48/b²) b⁵

750 = 48 b³

b³ = 750/48

Take cube root both side;

b = 5/2

Hence, a = 48/b² = 48/(5/2)²

a = 48 × 4 / 25

a = 7.68

Thus, After substitute the value of a and b we get the exponential equation as;

y = 7.68 × 2.5ˣ

Therefore, The equation of an exponential function will be,

⇒ y = 7.68 × 2.5ˣ.

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Related Questions

Candice has 40 bows.She shared them with her two friends Cindy received ⅜ and elsa received ⅖ which one of her friend received more hair bows and by how many.

Answers

Answer:

elsa received more bows, she received 1 bow greater than Cindy

Step-by-step explanation:

Candice has 40 bowls

She shared the bows between her 2 friends

Cindy has 3/8 of the bow

40×3/8

= 15

Elsa has 2/5 of the bow

40×2/5

= 16

Therefore elsa received more bows, she received 1 bow greater than Cindy

help pleaseeeeeeeeeee

Answers

Answer: b

Step-by-step explanation:

I'm having trouble answering this question is it possible someone can answer this ASAP?

Answers

Answer:

c. it is 185 cm squared all you do is add the sides and time them

help please ! I dont understand this question ​

Answers

Answer:

x = 4

Step-by-step explanation:

all angles in triangle add to 180

90+70=160

180-160=20

20÷5=4

see atattchment please answer asap

Answers

Answer:

C

Step-by-step explanation:

Given square ABCD, which line segment could be an image of side AD using only a translation?

Answers

Answer:

The second one

Step-by-step explanation:

Line segment BC will be an image of side AD using only a translation.

Option 2 is true.

What is Translation?

A transformation that occurs when a figure is moved from one location to another location without changing its size or shape is called translation.

Given that;

A figure ABCD is a square.

Now,

Since, ABCD is a square.

So, All sides of square ABCD are equal to each other.

Since, A translation occurs when a figure is moved from one location to another location without changing its size or shape.

Thus, Line segment BC will be an image of side AD using only a translation.

Therefore, Line segment BC will be an image of side AD using only a translation.

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What is the value of x in the equation 8 + x = 3?

A. −5
B. 5
C. 11
D. 24

Answers

Answer:

I think it's A

I hope this helps

A

Because if you subtract 8 from 3 you get -5

The surface area of a cylinder is 500 square feet; the lateral surface area is 320 square feet. Give the area of a base.

Answers

Answer: try your best

Step-by-step explanation:

The change in position of the ball during each play of a football game is measured in yards. Use the information below to answer questions 2-4, What integer best represents a gain of 5 yards?​

Answers

Answer:

The answer is 5

Step-by-step explanation:

What must be the annual payment you receive in order to earn 6.3% rate of return on a perpetuity that has a price of $245.1? (Answer in $s to the nearest cent, i.E. Xx.Xx, with no $-sign or commas needed.)

Answers

Answer:

the  annual payment received is 15.44

Step-by-step explanation:

The computation of the annual payment received is shown below:

As we know that

Perpetuity = Payment ÷ rate of return

$245.1 = Payment ÷ 6.3%

So, the payment is

= $245.1 × 6.3%

= 15.44

Hence, the  annual payment received is 15.44

We simply apply the above formula so that the annual amount could come

I need help with this and the first person who can answer this correctly gets a BRANLIST​

Answers

Answer:

c

Step-by-step explanation:

c because no x values repeat

Simplify: 3+y+y+y+2 ​

Answers

Answer:

3y + 5

I really hope this helps

helpppppppppppppppp pleaseeeeeeee

Answers

Answer:

20.25 ft

Step-by-step explanation:

9/2 = 4.5

4.5*4.5 = 20.25

Help me pleasee I’m not sure I’m doing theses correctly ?

Answers

9514 1404 393

Answer:

  (d)  ∠AIS

Step-by-step explanation:

The tangent SF intersects the circle at one point, point I. Any angle it forms with a chord must be a chord that terminates at point I. There are two of them: AI and CI.

The angles these chords make with tangent SF are ...

∠AIS∠AIF∠CIS∠CIF

Of these, only the first (∠AIS) is listed among the answer choices.

Multiplying Polynomials: Tutorial
3 Question
Enter the correct answer in the box.
Simplify the following expression.
(4x^2 + 8x + 15) + (x^2 - x - 27) - (x + 5)(x - 7)

Answers

Answer:

4x^2 + 9x + 23

Step-by-step explanation:

just factor the last equation and combine them all.

is the sequence below is arithmetic {1, 8, 27,64}

Answers

Answer:

No

Step-by-step explanation:

No, because 8 - 1 ≠ 27 - 8. So, there is no common difference which is needed in order for the sequence to be arithmetic

Shaun is 4 years older than her sister Charmaine. If the sum of their ages is 16, how old is Charmaine?

Answers

Step-by-step explanation:

[tex]let \: the \: age \: of \: charmaine \: be \: x[/tex]

[tex]according \: to \: question[/tex]

[tex]4 + x = 16[/tex]

[tex]x = 16 - 4[/tex]

[tex]12[/tex]

[tex]so \: the \: age \: of \: shaun \: is \: [/tex]

[tex]x + 4[/tex]

[tex]12 + 4[/tex]

[tex]16[/tex]

hope it helps if it helps don't forget to like and mark me

The perimeter of a rectangle is 16x – 6. If the length is
5x + 2, what is the width?

Answers

Answer:

3x + 1

Step-by-step explanation:

5x + 2 × 2 = 10x + 4

do this take 16x - 6

you get 6x + 2

then divide by 2 to get the answer 3x+1

Answer:

w = 3x - 5

Step-by-step explanation:

Perimeter of a rectangle formula:

P = 2(l + w)

16x - 6 = 2(5x + 2 + w)

16x - 6 = 10x + 4 + 2w

2w = 16x - 6 - 10x - 4

2w = 6x - 10

w = 3x - 5

Neeed helps math help no links or imma report helps 20 points

Answers

the answer to the question u asked is A

Find the sum of (x + 5), (–4x –2), and (2x – 1).

PLEASE HELP!!!

Answers

Answer:

-x-2

Step-by-step explanation:

x+5 + -4x -2 + 2x -1 = -x -2

Answer:

-x + 2

Step-by-step explanation:

(x + 5), (-4x -2), and (2x -1)

x + (-4x) + 2x) + (5 + -2 + -1)

= -x + 2

pls help ill mark you brainliest

Answers

Answer:

if i am not mistaking it got to be c

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

First you subtract 325 from 75 then divide the answer by 10

What is the area of a regular pentagon if its apothem has a length of 4 feet and each side has a length of 5.8 feet?
a 139.2 ft?
b. 58 ft2
C. 116 ft2
d 69.6 ft-

Answers

The area of a regular pentagon is 58 ft2. thus option B is correct.

What is apothem?

Apothem for a regular polygon is a line segment that originates from the center of the regular polygon and touches the mid of one of the sides of the regular polygon.

It is perpendicular to the regular polygon's side it touches.

Given; An apothem has a length of 4 feet and each side has a length of 5.8 feet.

The area of any regular polygon can be calculated as:

Area = number of sides (n) x 0.5 x length of sides (s) x apothem (a)

Area = 5 x 0.5 x 4 x 5.8

Area = 58

Hence, the area of a regular pentagon is 58 ft2. thus option B is correct.

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1. Find the volume of the figure. *
A.)30 cubic meters
B.)40 cubic meters
C.)50 cubic meters
D.)60 cubic meters

Answers

Cuboid

L=4B=3H=6

Volume:-

LBH4(3)(6)12(6)72m³

Step-by-step explanation:

#Make_the smartest_answer#sorry_if_wrong#I hope this helps#follow_and_like_me#No copas#Thank_you_for_watching么•ᴮᴬᴰʙᵒʏツॐhน໓ค • ๓นhค๓๓ค໓ঔৣॐŞiŞ¢ค • วนคriคঔৣ

If the area of a triangle is 48 cm2 and the base of the
triangle is 12 cm, what is the height of the triangle?

Answers

Answer:

8

Step-by-step explanation:

Formula for height of triangle

A÷BX2

In this case, 48÷12=4×2=8

Hope you understand ☺️

Line segments MP and ML are perpendicular chords in circle O. MP = 10 and ML = 24. Triangle L M P is inscribed within circle O. The length of M P is 10 and the length of M L is 24. Angle P M L is a right angle. Which statements about circle O are true? Select three options. The radius of circle O is 13. The diameter of circle O is 34. LP is a diameter of circle O. ∠LMP intercepts a semicircle. The measure of arc LP is 90°.

Answers

Answer:

The radius of circle O is 13.

∠LMP intercepts a semicircle.

LP is a diameter of circle O

Step-by-step explanation:

Find the diagram attached

From the circle, PL is the diameter of the circle;

Also, LMP intercepts a semicircle since the triangle LMP is a triangle in the semicircle of the circle.

According to pythagoras theorem;

ML²+MP² = PL²

24²+10² = PL²

576 + 100 = PL²

676 = PL²

Swap

PL² = 676

PL = √676

PL = 26

Since radius = diameter/2

Radius of the circle = 26/2

Radius of the circle = 13

Hence the radius of circle O is 13.

Answer:

1,3,4 on edg 2021

Step-by-step explanation:

because i said

Solve for X. Please show work

Answers

Answer:

x = 19.8

Step-by-step explanation:

Mathematically, when two triangles are similar, the ratio of their corresponding sides are equal

thus, we have it that;

16/28.8 = 11/x

16 * x = 11 * 28.8

x = (11 * 28.8)/16

x = 19.8

A school ordered a trapezoidal activity table as shown in the figure. Find the area of the table. SHOW ALL
WORK!!!
60 mm
14 in
SOT

Answers

Answer:

A=630 in^2

Step-by-step explanation:

Triangles: there are two equal triangles so we can treat them as one rectangle

A = 15 * 14 = 210

Rectangle:

A=30 * 14 = 420

A_total = 210 + 420 = 630 in^2

6 1/2 x 3 1/3 x 2

what’s the volume?

Answers

Answer:

1891 /3

Step-by-step explanation:

Marta’s math textbook weighs Four-fifths of a pound less than 4 times the weight of the book she is reading for her language arts class. If the weight of the math textbook is 2 and one-fifth pounds, which shows the correct equation and value of x, the weight of Marta’s book for language arts?
4 x + four-fifths = 2 and one-fifth; x = StartFraction 7 over 20 EndFraction of a pound
4 x minus four-fifths = 2 and one-fifth; x = three-fourths of a pound
4 x + four-fifths = 2 and one-fifth; x = three-fourths of a pound
4 x minus four-fifths = 2 and one-fifth; x = StartFraction 7 over 20 EndFraction of a pound

Answers

Answer:

C

Step-by-step explanation:

What is a equivalent ratio

Answers

Answer:

Equivalent ratios are just like equivalent fractions. If two ratios have the same value, then they are equivalent, even though they may look very different! In this tutorial, take a look at equivalent ratios and learn how to tell if you have equivalent ratios.

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