SEVEN TOTAL QUESTIONS! ALL SCREENSHOTS ARE NUMBERED! Because of this, whenever you do work these problems, please remember to number them according to their screenshot! THANK YOU!!

d 0.4 Find dx VX -3.1x -2+ 4x d 0.4 dx VX - 2 + 4X = 23 Enter your answer in the answer box. ? Save for LaterIf an object moves along the y-axis (marked in feet) so that its position at time x (in seconds) is given by f(x) = 300x - 20x2, nd the following. (A) The instantaneous velocity function v = f'(x) (B) The velocity when x= 0 and x= 1 sec (C) The time(s) when v = 0 (A) V(X) = (B) The velocity when X: 0 sec is ft/ sec. The velocity when X: 1 sec is D ft/sec. (C) The velocity is 0 at x= sec. (Simplify your answer. Use a oomma to separate answers as needed.) Enter your answer in each of the answer boxes. Save for Later The total sales ol 8 company (in millions of dollars) t months from now are given by S(t) = 0.02t3 + 0.2t2 + at + 3. (A) Find S'(t). (E) Find 8(6) and S'(6) (to two decimal places), (c) lnterpretS(13)=184.74 and s'(13)=23.34. (A) S'(t)= (B) 5(6)= S'(6)= (G) Choose the outrect interpretation ol S(13)= 184.74. O A In approximately 185 months the sales will be increasing by $13 million per month. O B. In 13 months the sales will be increasing at a rate of $184.74 million per month. 0 C. The total sales 13 months from now will be $134.74 million dollars. O D. In approximately 185 months the sales will be $13 million dollars. Choose the correct interpretation of S'(1 3) = 2334. O A. In approximately 23 months the sales will be $13 million dollars. 0 B. In approximately 23 months the sales will be increasing by $13 million per month. O C. The total sales 13 months from now will be $23.34 million dollars. 0 D. In 13 months the sales will be increasing at a rate of $23.34 million per month. Click to select your answer(s). Save for Later Av For y=f(x) = 7x3, nd Ax, Ay, and E' given x1 =2 and x2 =4. Enter your answer in each of the answer boxes. Save for Later 4' Find dy for y = (6x + 3)2. dy = D (Simplify your answer.) Enter your answer in the answer box. Save for Later 4' Find the marginal revenue function. R(x) = x(23 0.07x) R'(X) = Enter your answer in the answer box. @ Save for Later 4 ' b Find the prot function if cost and revenue are given by C(x) = 162 + 2.3x and R(x) = 8x - 0.01x2. The prot function is P(x) = Enter your answer in the answer box. Save for Later