An archers arrow follows a parabolic path. the height of the f(x) is given by f(x) =-16x^2+200x+4 in feet. find the maximum height of the arrow

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

How can you find the mean absolute deviation (mad) for this set of data?

Could someone me with this question i’ve been stuck on it for 20 minutes