Classify each of the following functions as exponential growth

MATHEMATICS · Multi-part · A Level · Mathematics · Exponentials and logarithms · Exponentials and logarithms

Problem

Classify each of the following functions as exponential growth, exponential decay, or not an exponential function according to the standard definition, and give one reason for each classification: (a) p(x)=3⋅2xp(x)=3\cdot2^{x} (b) q(x)=7 (0.5)xq(x)=7\,(0.5)^{x} (c) r(x)=4⋅1xr(x)=4\cdot1^{x}

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