Exponential Decay Functions — Cumulative exam Answers
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The function f(x) = 2·5x can be used to represent the curve through the points (1, 10), (2, 50), and (3, 250). What is the multiplicative rate of change of the function?
A
2B
5C
10D
3222
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The table represents an exponential function.
A
0.2B
0.25C
0.5D
0.7523
Sebastian writes the recursive formula f(x+1) = 4f(x) to represent a geometric sequence whose second term is 12.
A
f(x) = 12(4)xB
f(x) = 3(4)x − 1C
f(x) = 4(12)xD
f(x) = 4(3)x − 124
Natalia is writing a recursive formula to represent the sequence.8, 12, 18, 27, ...What value should she use as the common ratio in the formula?
A
Option
B
Option
C
Option
D
Option
25
Consider the exponential function f(x) = (15x). What is the value of the growth factor of the function?
A
One-fifthB
One-third
C
5D
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