5. Determine the average rate of change of f(x)=6 cos(2x) – 4 on the interval [pi/4,pi]

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Find the solution(s) to x^2-14+49=0