Find the average rate of change of the given function between the following pairs of x-values.f(x) = 4x + 5x(a) x = 1 and x

Find the average rate of change of the given function between the following pairs of x-values.f(x) = 4x² + 5x(a) x = 1 and x = 3(b) x = 1 and x = 2(c) x = 1 and x = 1.5(d) x = 1 and x = 1.1(e) x = 1 and x = 1.01(f) What number do your answers seem to be approaching?