9. The slope of the tangent line to f (x) -(5-5x) (5+5x) at x --1 is A. -25 B. -50 C. 50 D. 25 10. The constant multiple rule states that if f (x) = kg(x), where k is a constant, then I A. f' (x) = k+g'(x) B. f' (x ) = kg' (x) +g(x) C. f' (x) = kg'(x) D. f' (x) = g(x)g'(x) MCV4U1-V2 Name: 11. If f (2)=1, f(3)= 2, 8 (2)-4, 8(3)- 5, f'(2)_-1, and g'(2)=-2, ( (2) is equal to A. B. C. D. 00 1