NEED HELP WITH SCREENSHOTS 20 - 30! SOME HAVE BEEN DONE BUT JUST DOUBLE CHECK AND MAKE SURE THEY ARE CORRECT! IF YOU HAVE ANY QUESTIONS DO NOT HESITATE TO COMMENT! THANK YOU!!!!!!
20 The marginal average cost of producing x digital sports watches is given by the function 5'(x), where 5(x) is the average cost in dollars. 1 .400 x2 5'(x)= E(100)= 26 Find the average cost function and the cost function. What are the xed costs? .3 The average cost function is 5(x) = I. The cost function is C(x) = 1 . The xed costs are $'. Enter your answer in each of the answer boxes. 21 Find the indefinite integral. 4+ 2x6 (12x5) dx . . . . . 1 4 + 2x6 (12x5 ) dx = In (12 +x61 ) + c Enter your answer in the answer box. Next22 Find the indefinite integral. X dx 18x2+ 7 . . . . . 1 - X dx = (8x 2 + 7 ) 2 + C 18x2 + 7 Enter your answer in the answer box. Next23 An automobile company is ready to introduce a new line of cars through a national sales campaign. After test marketing the line in a carefully selected city, the marketing research department estimates that the sales (in millions of dollars) will increase at the monthly rate of the following function fort months after the campaign has started. S'(t)=18-11e_'\" ost526 (A) What will be the total sales. S(t), t months after the beginning of the national sales campaign if we assume no sales at the beginning of the campaign? S(t) = 1 (B) What are the estimated total sales for the rst 9 months of the campaign? million (Round to the nearest whole number.) (0) When will the estimated total sales reach $100 million? Use a graphing calculator to approximate the solution to the equation S(t) = 100. tn 1 (Round to two decimal places as needed.) Enter your answer in each of the answer boxes. 24 Calculate the definite integral by referring to the figure with the indicated areas. Area A = 1.523 Area C = 5.885 Area B = 2.259 Area D = 1.815 Ab X . . . . . B C . . . . . C F ( x ) dx = - f ( x ) b Enter your answer in the answer box. Next25 Calculate the definite integral by referring to the figure with the indicated areas. C [ F( x ) dx Ab X B C Area A = 1.527 Area C = 5.486 Area B = 2.529 Area D = 1.793 . . . . . f ( x ) dx = f ( * ) c Enter your answer in the answer box. Next27 Calculate 8 x 2 dx , given the following . co CC x2 dx = . 604 3 xdx = 28 . . . . . 10 8x 2 ax = 1 5 (Type an integer or a simplified fraction.) Enter your answer in the answer box. Next28 10 Evaluate the integral 6 dx . . . . . . 10 6 dx = 18 (Simplify your answer.) Enter your answer in the answer box. Next29 Evaluate the integral. ( 7X ( x2 - 1 ) # dx o . . . . . [ 7X ( x2 - 1 ) #dx = 7 (Type an integer or a simplified fraction.) Enter your answer in the answer box. NextEvaluate the integral. 2 x-3 2dx x -6x+10 (Type an integer or decimal rounded to three decimal places as needed.) Enter your answer in the answer box