What is the equation that represents the exponential function in the image below?
Exponential Functions Writing

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y=3(½)x
y=3(2)x
y=(2)x
y=2(3)x
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the year 1900, the total number of metric tons of copper produced in the world was 495,000. Each year since 1900, the total number of metric tons of copper produced has increased on average by about 3.25% over the amount produced the previous year. Which function models the total number of metric tons of copper produced in the year that is x years since 1900?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation matches the graph?
y=2(2)x
y=2(1/2)x
y=2x
y=1/2(2)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
Does the graph represent an exponential growth or an exponential decay function?
Exponential Growth
Exponential Decay
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write an exponential function to model the situation. The cost of tuition at a college is $12,000 and is increasing at a rate of 6% per year.
C(t) = 12000(.94)t
C(t) = 12000(1.94)t
C(t) = 12000(.06)t
C(t) = 12000(1.06)t
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write an exponential function to model the situation. You invest $1500. Your investment escalates at a rate of 3.5%.
B(t) = 1500(0.965)t
B(t) = 1500(1.035)t
B(t) = 1500(.035)t
B(t) = 1500(1.965)t
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