Question

Suppose f(x)=x^2+3 and g(x)=x-2 find (f-g)(x

Answer 1

x^2-x+5

Explanation:

(f-g)(x)=f(x)-g(x)

= (x^2 + 3) - (x - 2) (Don’t forget the -1 multiplies to the x AND -2

= x^2 + 3 - x + 2

=x^2-x+5