Question

Let f(x) = -2x - 7 and g(x) = -4x + 3. Find (f ° g)(-5).

A. 23

B. –53

C. –9

D. 3

Answer 1

See:

\[\large \color{green}{fo g(x) = f(g(x))}\]

Pronounced as f of g of x..

Answer 2

So, to find this, firstly tell me what is g(x) given here??

Answer 3

i got -53

Answer 4

g(-5)= -4(-5)+3
g(-5)=23
fog(-5)=-53