4) Which function represents exponential decay? a) y = (2)*
b) y = -(2)*
-X
c) y = (2)
d) y =

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?