nayellyperlaost89z nayellyperlaost89z

14-03-2020
Chemistry

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Given f(x) = x - 7 and g(x) = x2
Find gif{4))

Respuesta :

osinachukwunwosu osinachukwunwosu

14-03-2020

Answer:

9

Explanation:

let f(x)= x-7 be equation i

let g(x)= x^2 be equation ii

Substitute x-7 as x in equation 2

implies gf(x) = (x-7)^2=(x-7)(x-7)

substitute x=4 implies

gf(x) = (4-7)(4-7)=(-3)(-3)=9

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