Question

For all values of x
f(x) = 2x - 3 and g(x) = x2+ 2
(a) Find g (-4)
Answer

Answer 1

g(-4) = 18.

Explanation:

Find g(-4): we replace the x in g(x) by -4:

g(-4) = (-4)^2 + 2

= 16 + 2

= 18.