Question

Let f(x)=-2-7 and g(x)=-4+3. Find (f o g)(-5)
A.-53
B.23
C.-9
D.3

Answer 1

Answer: (A) -53

Explanation:

g(x) = -4x + 3

g(-5) = -4(-5) + 3

= 20 + 3

= 23

f(x) = -2x - 7

f(23) = -2(23) - 7

= -46 - 7

= -53