The substitute method should be used to solve which system of equations

If f(x) = 2x - 6 and g(x) = 3x + 9, find (f - g)(x). a. (f-g)(x) = x + 15 o o b. (f- g)(x) = -x - 15 o c. (f- g)(x) = 5x + 3 o d. (f- g)(x) = -x+3 submit

Which statement about the annual percentage rate (apr) is not true?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x