)by x*y=x+y+xy for x, y as element of r

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi