5. DETAILS HARMATHAP12 12.1.029.MI. Use algebra to rewrite the integrand; then integrate and simplify. (Use for the constant of integration.) ( (377 - 42 ox 6. DETAILS HARMATHAP12 12.4.012. Cost, revenue, and profit are in dollars and x is the number of units. The average cost of a product changes at the rate c'ex- -50 1 10 and the average cost of 10 units is $90.00 (a) Find the average cost function C- (b) Find the average cost of 70 units. (Round your answer to two decimal places.) 7. DETAILS HARMATHAP12 12.1.027. Evaluate the integral. Check your answer by differentiating. (Use for the constant of integration) 1 16 a) dx 5. DETAILS HARMATHAP12 12.1.029.MI. Use algebra to rewrite the integrand; then integrate and simplify. (Use for the constant of integration.) ( (377 - 42 ox 6. DETAILS HARMATHAP12 12.4.012. Cost, revenue, and profit are in dollars and x is the number of units. The average cost of a product changes at the rate c'ex- -50 1 10 and the average cost of 10 units is $90.00 (a) Find the average cost function C- (b) Find the average cost of 70 units. (Round your answer to two decimal places.) 7. DETAILS HARMATHAP12 12.1.027. Evaluate the integral. Check your answer by differentiating. (Use for the constant of integration) 1 16 a) dx