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Exponential Function

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Exponential Function
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Based on the graph, which statement does not appear to be true?

The graph has a horizontal asymptote at y=0

The y-intercept is at the point (0, 3)

The graph represents exponential growth.

The graph of the function shows a decrease over time.

Tags

CCSS.HSF-IF.C.7E

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Chester was running an experiment on a sample of 400 grams of a radioactive isotope with a half-life of 1 hour. He was determining the amount of isotope remaining after various elapsed time intervals. Using his collected data, Chester formulated the graph below to model the amount of radioactive isotope remaining after an elapsed time in hours. What is the y-intercept and asymptote?

y-intercept: (0,400); asymptote: y=0

y-intercept: (0,0); asymptote: y=4

y-intercept: (0,7); asymptote: x=0

y-intercept: (0,10); asymptote: y=4

Tags

CCSS.HSF-IF.C.7E

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Does the function show growth or decay f(x)=1.9(5/2)^x ?

growth because base greater than 1

growth because base less than 1

decay because base greater than 1

decay because base less than 1

Tags

CCSS.HSF-IF.C.8B

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

Tags

CCSS.HSF-IF.C.7E

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the asymptote of the function?

x = 1

y = 1

x = 0

y = 0

Tags

CCSS.HSF-IF.C.7D

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which graph best represents the function

f(x) = 5(2)x?

Media Image
Media Image

Tags

CCSS.HSF-IF.C.7E

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Look at the graph and answer each question. Does the graph show growth or decay? What is the y-intercept? What is the asymptote?

Growth

y-intercept: (0, 5)

asymptote: y = 0

Decay

y-intercept: (0, 5)

asymptote: y = 0

Growth

y-intercept: (0, 5)

asymptote: y = 5

Decay

y-intercept: (0, 5)

asymptote: x = 0

Tags

CCSS.HSF-IF.C.7E

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