answer part b

- ratic Applications Alocal sandwich store has a xed weekly cost (#5530110, and variable costs for making a roast beef sandwich are $0.65. Complete parts (a) through (c). a. Let x represent the number of roast beef sandwiches made and said each week. Write the weekly cost function. G, for the local sandwich store. (Hint: The cost function is j the sum of xed and variable costs.) j C(x) = 0.65\" 530 (Use integers or decimals for any numbers in the expression.) _ b. The function R(x)= 0.001x2 + 3x describes the money that the local sandwich store takes in each week from the sale of x roast beef sandwiches. Use this revenue function and the costfunction from part (a) to write the store's weekly prot function, P. (Hint: The prot function is the difference between revenue and cost functions.) 3 P(x)= (Simplify'your answer. Use integers or decimals for any numbers in the expression.)