For the demand equation below, x represents the quantity demanded in units of 1000 and p is the unit price in dollars. p= -0.4x + 160; p= 80 (a) Sketch the demand curve. (Sketch the curve as a segment.) te M 300 ar 210 229 200- 0 100 16 50 24 20 M 100 190 200 200 100 240 00 450 18 100 (b) Determine the quantity demanded corresponding to the given unit price p. thousand Graph Layers After you add an object to the graph you can use Graph Layers to view and edit its properties. Question Details TanFin12 1.3.018. [3871317) In a certain state, the sales tax 7 on the amount of taxable goods is 7% of the value of the goods purchased (x), where both 7 and x are measured in dollars. (a) Express T as a function of x. T(x) = (b) Find 7(170) and 7(5.60). (Round your answers to two decimal places.) 7(170) - T(5.60) = Question Details Tenfin12 1.4.015. (3871468) The annual sales of Crimson Pharmacy are expected to be given by S-2.3+0.3t million dollars t years from now, whereas the annual sales of Cambridge Pharmacy are expected to be given by 5 1.3 +0.5t million dollars f years from now. When will Cambridge's annual sales first surpass Crimson's annual sales? years from now