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Worksheetsexponential functions 9b
Total questions: 15
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
What is the y-intercept of the function?
a)
2
b)
3
c)
1
d)
-2
2.
What type of function is y = 7(5/4)x?
a)
Exponential Growth
b)
Exponential Decay
c)
Linear
d)
None of the above
3.
Is this exponential growth or decay?
a)
Growth
b)
Decay
4.
Is the pictured graph growth, decay, or linear or none?
a)
Growth
b)
Decay
c)
Linear
d)
None
5.
Identify the y-intercept (initial value) in the function f(x)=13(.27)x
a)
(.27)x
b)
.27
c)
13
d)
3.51
6.
Identify the y-intercept (initial value) of the function f(x)=2(4)x.
a)
2
b)
4
c)
(2)x
d)
8
7.
Is the following function and example of decay or growth?
f(x)=2(0.85)x
a)
Exponential Decay
b)
Exponential Growth
8.
Pick the equation that is exponential growth
a)
y=2(0.5)x
b)
y = 0.5(2)x
9.
Pick the equation that is exponential decay
a)
y=2000(0.88)
b)
y=0.5(1.88)
10.
What is a, the starting term, for the function: f(x) = 300(1.16)x?
a)
300
b)
1.16
c)
.16
d)
x
11.
Given y=3x determine the y-intercept
a)
(0,1)
b)
(0,3)
c)
No Y-intercept
d)
y=1
12.
What does the graph represent?
a)
Exponential Decay
b)
Exponential Growth
13.
What does this graph represent?
a)
Exponential Decay
b)
Exponential Growth
14.
What does this graph represent?
a)
Exponential Growth
b)
Exponential Decay
15.
What is the initial value of the situation represented by f(x)=0.05(2)x?
a)
0.05
b)
2
c)
0.1
d)
1
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