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Distinguish a squared input from a squared output

The function ff is defined by f(x)=x2−5xf(x)=x^2-5x, x∈Rx\in\mathbb R. Find (a) f(x+2)f(x+2), (b) f(x2)f(x^2), (c) [f(x)]2[f(x)]^2.

CJC · Functions · Self-Practice 2

After your attempt

Record how it went before checking the working. You can update this later.

Record confidence for 3 parts

(a) Shift the input

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(b) Square the input first

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(c) Square the output

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Solution