Question

Find (g o f)(-3). *

f(x) = 5x – 4
g(x) = x^2 – 1

O A. 36
O B.-9
O c. 1
O D.-54

Answer 1

(g o f)(-3) = 360 Maybe answer A is a typo

Explanation:

(g o f)(-3) = g(f(-3))

f(-3) = 5(-3) - 4

= -15 - 4

= -19

Now find g(-19) =
`(-19)^(2)` - 1

= 361 - 1

= 360