Question

F(x) = x2
g(x) = 2x + 4
evaluate
f(-1) - g(2)

Answer 1

–2x2 + 13

Explanation:

( f o g)(x) = f (g(x))

= f (–x2 + 5)

= 2( ) + 3 ... setting up to insert the input formula

= 2(–x2 + 5) + 3

= –2x2 + 10 + 3