please answer all three questions

D Question 1 4 pts Car Sharing Yaster Car Sharing offers a membership plan with a $54 per month fee that includes 12 hours of driving each month and charges $11 for each additional hour. Let F(z) be the cost for a month in which a member uses a car for z hours. Then F(z) is the piecewise function F(x) = 54, for 0 S = $ 12, F(z) = max + b, for > > 12 for some scalars m and b. Find b. Round to the nearest whole number. . . . Question 2 3 pts Car Sharing Jesaki Car Sharing offers a membership plan with a $56 per month fee that includes 10 hours of driving each month and charges $8 for each additional hour. Let F(x) be the cost for a month in which a member uses a car for z hours. Consider the following limits. 1. lim F(x) 2-+10* 2. lim F(x) 1+10- 3. lim F(I) 1 +10 Compute 2. Round to the nearest cent. Enter O if the limit does not exist. G G Jester Apparel sells custom promotional shirts. The table below shows the volume discount offered by the company, where a is the volume of a purchase in dollars. Table: Volume Discount (Excluding Tax) Volume ($1) Discount Amount $300