Let f(x)=(Inx)6 f'(x)=. f(e)=- Answer(s) submitted: no response no response submitted: (incorrect) recorded: (incorrect) Problem 7. (1 point) The number x of stereo speakers a retail chain is willing to sell per week at a price of p dollars is given by x=83p+20-360. Find the supply and instantaneous rate of change of supply when the price is 75 dollars. Supply Instantaneous rate of change of supply a Answer(s) submitted: no response no response submitted: (incorrect) recorded: (incorrect) Problem 8. (1 point) Find the derivative of y=11x+7x+8. Answer(s) submitted: no response Problem 9. (1 point) If f(x)=5x+2, find f'(x). Find f'(3). Answer(s) submitted: no response no response submitted: (incorrect) recorded: (incorrect) Problem 10. (1 point) Find the derivative of f(x)=15-x+ f'(x)=. Answer(s) submitted: no response submitted: (incorrect) recorded: (incorrect) Problem 11. (1 point) Suppose that y=7(x+4)*. Find dx Answer(s) submitted: no response submitted: (incorrect) recorded: (incorrect) Problem 12. (1 point) Suppose that Find dx dx 7 4x+4 Problem 13. (1 point) Let f'(x)=. f'(2)=. Answer(s) submitted: no response no response submitted: (incorrect) recorded: (incorrect) f(x)=(x+3x+7) Problem 14. (1 point) Let f'(x)= f'(5)= f(x)=4x+2x+5