What is the average rate of change of f over the indicated interval [-1,2] and [2,3] for f(x)=-3x-5

What is the inverse of the function f(x) = 2x + 1?

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?