can you please answer 7-10.

VX 7. Using the position function s(t) = -5t -3t -3, find the acceleration function. A) a(t) =-15t B) a(t) =-10t C) a(t) =-30t D) a(t) =-30t-3 8. Using the position function s(() = -vr+ -, find the velocity function. 1 A) C) VO= 2 dt 1 2 B) v(t) = D) V(() =- 2 it 2 -it 6x + 2 9. Find the derivative of f (x) = 9x-5 48 -48 A) B D) (9x-5)2 (9x-5)2 9x 10. Find the derivative of f (x) = 6x* - 4 -54x- -36 3 54x- +36 A) B) C) D) 3 (6x7 -4)' (6x7 -4) 2x