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Alg exponential functions 2-25-21

Authored by Kris Fogarty

Mathematics

9th Grade

Used 2+ times

Alg exponential functions 2-25-21
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the y-intercept of the function?

2
3
1
-2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

y=6(0.14)x
y=6(1+14)x
y=6(1.14)x
y=6(0.86)x

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

y = 15(35)x
y = 15(1.35)x
y = 15(0.35)x
y = 35(1.15)x

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the y-intercept (initial value) of the function f(x)=2(4)x.

2
4
(2)x
8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is the pictured graph growth, decay, or linear or none?  

Growth
Decay
Linear
None

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is the pictured graph growth, decay, or linear or none?  

Growth
Decay
Linear
None

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Simplify the exponential expression:

10x-2
2x2
2x12
10x12

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