Calculus:

2-4

In each part state the xcoordinates of the inflection points of f. Give reasons for your answers. Y 1123 56789111 (a) The curve is the graph of f. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) Give the reason for your answer. fwill have an inflection point whenever f changes between concave up and concave down J (b) The curve is the graph of f'. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) Give the reason for your answer. fwill have an inflection point whenever f' has a local minimum or local maximum y (c) The curve is the graph of f". (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) Give the reason for your answer. fwill have an inflection point whenever f" changes between positive and negative J Need Help? _'_' 9. [mos/0.12 Points] - PREVIOUS ANSWERS sesscmcz 3.5.047. ASKV A manufacturer has been selling 1000 flat-screen TVs a week at $350 each. A market survey indicates that for each $10 rebate offered to the buyer, the number of TVs sold will increase by 100 per week. (a) Find the demand function (price p as a function of units sold X). x p(x) 10+450 sf (b) How large a rebate should the company offer the buyer in order to maximize its revenue? 3; 125 y (c) If its weekly cost function is C(x) = 71,000 + 110x, how should the manufacturer set the size of the rebate in order to maximize its profit? $ 170 x Need Help? 2. [0.1/0.4 Points] DETAILS PREVIOUS ANSWERS SESSCALCZ 3.1.005. Use the graph to state the absolute and local maximum and minimum values of the function. (Assume each point lies on the gridlines. Enter your answers as a comma-separated list. absolute maximum value X absolute minimum value DNE J local maximum value(s) X local minimum value(s) X Submit Answer 3. [010.25 Points] DETAILS PREVIOUS ANSWERS SESSCALCZ 3.1.025. Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) f(x) = 4x3 - 6x2 72x x= x 4. [0/0.25 Points] DETAILS PREVIOUS ANSWERS SESSCALCZ 3.1.031. Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) F(x) = x4/5(x 2)2 x: x