Question

If f(x)=4x^2-3 and g9x)=x+1, find (f-g)(x)

Answer 1

Explanation:

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

the same applies to all other basic operations (like addition, multiplication, ...).

so,

(f-g)(x) = 4x² - 3 - (x + 1) = 4x² - 3 - x - 1 = 4x² - x - 4