Given f (x) = x - 7 and g (x) = x2

Find gif{4))

Question

Chemistry

Audrina Carter

22 September, 04:51

Given f (x) = x - 7 and g (x) = x2

Find gif{4))

+3

Answers (1)

Know the Answer?

Cassandra Andrade · Answer 1

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

Given f (x) = x - 7 and g (x) = x2Find gif{4))

Given f (x) = x - 7 and g (x) = x2

Find gif{4))