5
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Exponential Growth Functions

Question 5 • CA-Mathematics I

Which statements are true of the function f(x) = 3(2.5)x? Check all that apply.

Answer
A
The function is exponential.
B
The initial value of the function is 2.5.
C
The function increases by a factor of 2.5 for each unit increase in x.
D
The domain of the function is all real numbers.
E
The range of the function is all real numbers greater than 3.
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