Question

Given that f(x) = 9 − x and g(x) = x^2
Calculate

a) f(3)
b) g(−4)

Answer 1

a) f(3) =6

b) g(-4) =16

Explanation:

answer to a, substitute X with 3. which will be f(3)=9-3

=6

answer to b, substitute X with -4, which will be g(-4)=(-4)^2

=16