If f(x) = x2 + 2x + 9, what is f(x + 1)?

asked Mar 13, 2022 52.9k views

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If
f(x) = x2 + 2x + 9,
what is
f(x + 1)?

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6 votes

Answer:

x² + 4x + 12

Explanation:

f(x) = x² + 2x + 9

f(x + 1) = (x + 1)² + 2(x + 1) + 9 = x² + 2x + 1 + 2x + 2 + 9 = x² + 4x + 12

Gsklee answered Mar 20, 2022

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