9. (1 point) Suppose y = e3x2+6x. Find: dy dx 10. (1 point) Suppose f(x) = 3*2+3x. Find: f'(1) = _ 11. (1 point) Suppose f(x) = -dercosx. Find: f' (x) =_ 12. (1 point) Suppose f(x) = 3*log6(x). Find: = (x),f In(a) Note: Enter In(b) for logo (a). 4x - 7 13. (1 point) Suppose f (x) = In 1 Find: 3x +9 f' ( x ) = _ 9 14. (1 point) Suppose f(x) = Find: 6+ In(5x) (a) f' (x) =_ (b) The domain of f (state answer using interval notation): (c) The domain of f' (state answer using interval notation): Note: Enter ibiUi/bi, infinity , and ibi-infinity;/by for jitunion;/ii, co, and -co, respectively. 15. (1 point) Suppose f(x) = 2sin (x3). Find: f' ( x ) =_ 16. (1 point) Suppose f(x) = 2 sin(4x) arcsin(x). Find: f' (x) =