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30 August, 18:46

What is the domain and range of f (x) = 3 (4) ^x

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  1. 30 August, 19:29
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    Step-by-step explanation:

    Find the y-intercept by setting x = 0: f (0) = 3 (4) ^0 = 3 (1) = 3 = > (0, 3)

    4^x is never zero, and its graph is always above the y-axis, for both positive and negative x.

    Any real number is an acceptable x-value.

    Thus the domain is ( - infinity, infinity) and the range is (0, infinity).
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