Question

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

A. -53
B. -9
C. 3
D. 23

Answer 1

do you just want the answer or do you need work as well?

Answer 2

f(x)=-2x-7 & g(x)=-4x+3 (f o g)(5)
f(g(x))= -2(-4x+3)-7
-2(-4(5)+3)-7
-2(23)-7
-46-7
-53
which is A

Answer 3

sorry youre supposed to pplug in (-5) not 5
but its A