An object moves along the [math] axis (marked in feet) so that its position at time [math] (in seconds) is given by the function [math] Find each of the following:

(A) The instantaneous velocity [math]. [math] =

(B) The velocity when [math] and [math] seconds (include units).
Velocity at [math]:
Velocity at [math]:

(C) List all values of [math] when [math].
Values of [math] =