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Methods2024 Exam 2 Section A · Q5CAS active1 mark

Range of a composite exponential function

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Consider the functions $f\colon (1, \infty) \to R, f(x) = x^2 - 4x$ and $g\colon R \to R, g(x) = e^{-x}$ .

The range of the composite function $(0, e^3)$ is

1 mark

A

(0, e^3)

B

(0, e^3]

C

(0, e^4)

D

(0, e^4]

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