Econ 289 F2020 Assignment 4 Ch. 9 Integrals Questions Solve all questions, showing your work in reasonable detail. Finish your calculations: when the results can be reduced to numbers, calculate those numbers. The purpose of the assignment is to help you learn the material in this course; therefore, you are expected to use only the methods and concepts that are specific to this course. Submit the answers in only ONE file, preferably PDF, in Blackboard. 1) Find the following integrals: 1 ) 1 x dx 16) S(2x - x ) dx x dx 2- dx ld ) } arti le ) ( x 4 dx If ) dx 2) Calculate 2 al S ( x - 1) dx 25) S ( x - 3) (X +1 ) dx 20 ) 2 8 3x dx 2d) Sexdx 3 ) The marginal cost of producing quantity x of a product is C' ( x ) = 2x + 1 , and C(0) = 25. Find the total cost function, C (x ). 4) Calculate the integral ( (? -1 ) dz 2/2 5) Find the general form of the function f (x ), given that f" ( x ) = X+1, f (0)= 1, and f' (0) = -1