Question

If f(x)4x+2 and g(x)=x^2 find each value.

Answer 1

( 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
= –2x2 + 13