Question

If fix)=x2-2 and g(x) = x-3, what is(f•g)(x)?

o (f•g)(x) = x +7
o (f•g)(x) = x^2 - 6x+7
o (f•g)(x) = x^2- 3x+7
o (f•g)(x) = x^2 - 5

Answer 1

The last option is correct. (f*g)(x) = x² - 5

Explanation:

Since is f * g you have to multiply them together.

x² - 2 * x - 3 (x)

Next ust simplify.

x² -5x