Question

If fx = 2x^2 + 3 and g(x) = x^2 - 7 find (f - g) (x)

Answer 1

(f-g) (x) means to subtract g(x) from f(x)

F(x) = 2x^2 +3

g(x) = x^2

This becomes:

2x^2 + 3 - x^2 = x^2 +3