Given f(x) = x − 7 and g(x) = x2. Find g(f(4)). G(f(4)) =.

Shahjalal asked May 14, 2023

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Shahjalal asked May 14, 2023

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15 votes

Answer:

$g(f(x)) = gof(x) =( x - 7)^(2) \\ = {x}^(2) - 14x + 49 \\ g(f(4) )* g(f(4)) = (4^(2) - 14 * 4 + 49 )*( 4 ^(2) - 14 * 4 + 49) \\ = 9 * 9 \\ = 81$

Bjarki B answered May 18, 2023

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