Write an exponential function for a graph that
passes through the points (2, 1.4) and (4,5.6)

Find the domain and range of the following function f(x) = 51x - 21+ 4

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.