Question

Let f(x) = -2x - 7 and g(x) = -4x + 6. Find (g . f)(-5)

26

3

–59

–6

Answer 1

–59

Explanation:

f(x) = -2x - 7

f(x) = -2(-4x + 6) - 7

f(x) = 8x - 12- 7

f(x) = 8x - 19

f(x) = 8(-5) - 19

f(x) = -40 - 19

f(x) = -40 - 19

f(x) = - 59