If f(x) and its inverse function, f'(x), are both plotted on the same coordinate plane, what is their point of intersection?
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13
-6 5 4 3 2 1 1
3 4 5 6
x

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?