Write the inverse function for the function, ƒ(x) = 1/2x + 4. then, find the value of ƒ -1(4). type your answers in the box. ƒ -1(x) = a0 x a1 a2 ƒ -1(4) = a3

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?