Find average rate of change f(x)=-4x^(2)-3x-4 ; [-1,3]

Sorry guys but as you have a small brain

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?