Fabian has a smart phone data plan that costs $40 per month that includes 7 GB of data, but will charge an extra $15 per GB over the included amount. How much would Fabian have to pay in a month where he used 2 GB over the limit? How much would Fabian have to pay in a month where he used went over by x GB Cost when over by 2 GB:

Cost when over by x GB:

On a piece of paper graph f(x)=5•(0.4)^x

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?