Page 67 - Math Course 3 (Book 1)
P. 67
Exponential Functions
Use the graph to determine the approximate value
1 x 0.25
x 4 y of 5 .
1 –1 A. about 2.5
–1 4
4 B. about 5
1 0 C. about 2
0 4 1 D. about 1.5
1 1 1 Answer
1 4 4
Graph Exponential Functions with 0 < a < 1
Answer The y-intercept is 1. x
Graph y = 1
8
Use the graph to determined the approximate value
of 1 1.5
4
Answer The y-interept is 1.
Use a calculator to confirm this value. 1 1.5 = 8
4
Your Turn!
Graph an Exponential Function with a > 1
Graph y = 5 x
A. B.
Answer
Use the graph to determine the approximate value
1 –0.5
of
C. D. 8
A. about 1
B. about 3
C. about 2
D. about 0.1
Answer
Answer
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