Answer:
23
Step-by-step explanation:
First of all substitute x with g(x) on the expression of f(x)
; (f.g)(x) = -4(2x - 6) + 7
; (f.g)(x) = -8x + 24 + 7
Then substitute the value of x with the value 1...as the question asks yu
; (f.g)(1) = -8(1) + 24 + 7
; Hence (f.g)(1) = 23
