Question

If f(x) = 2x2 + 2 and g(x) = x2 – 1, find (f – 9)(X).

Answer 1

x^2 +3

Explanation:

f(x) = 2x^2 + 2

g(x) = x2 – 1,

find (f – g)(X).

f(x) - g(x) = 2x^2 + 2 -( x^2 – 1)

Distribute the minus sign

= 2x^2 +2 -x^2 +1

= x^2 +3