Unit 6 Review: Exponential Functions

Unit 6 Review: Exponential Functions

9th Grade

25 Qs

quiz-placeholder

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Unit 6 Review: Exponential Functions

Unit 6 Review: Exponential Functions

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

CCSS
HSF.BF.A.2, HSF-IF.C.8B, HSF.LE.A.2

+9

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of function is f(x)=2(1/7)x ?

Exponential Growth
Linear
Exponential Decay
None of the Abovee

Tags

CCSS.HSF-IF.C.8B

2.

MULTIPLE CHOICE QUESTION

30 sec • 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

Tags

CCSS.HSF.LE.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of function is y = 7(5/4)x?

Exponential Growth
Exponential Decay
Linear
None of the above

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

4.

MULTIPLE CHOICE QUESTION

5 mins • 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

Tags

CCSS.HSF.LE.A.2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the common ratio for the sequence:
28, 14, 7, 3.5...

2
1/2
-14
-7

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the common ratio for the sequence:
3, 15, 75...

12
1/5
5

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Identify the y-intercept (initial value) in the function f(x)=13(.27)x

(.27)x
.27
13
3.51

Tags

CCSS.HSF.LE.B.5

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