Solve the value of x for the equation of |n(x2- 4x + 5) = 0 (10 points) A rm produces a commodity and receives $100 for each unit sold. The cost of producing and selling x units is 20x + 0.25352 dollars. Find the production level that maximizes prots and the maximum prots. (15) The cost of removing p% of the impurities in a lake is given by bp) = 1:22p. (15) A) Find b(0), b(50), and b(100). B) What does b(50 + h) - b(50) mean (where h 2 0)? Find the equilibrium price for the following supply and demand equations: (10 points) C) (a)D = 75-3P,S= 20+2P Compute A) 11mm B) thz C) l y xrO x xi x . 25 . 1113le}; (20 pornts) Let f(x) = 4x2 + 3x 1. Show that for hi0, f(x+h)-f(x) h =8x+3+4h Use this result to nd f'(x) and f'(3) (20 points) Let f(x) = 4x100 ,nd f'(x). ('10 points)