Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 10)(0,10) and (2, 490)(2,490).

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?