A projectile is fired into the air with an initial velocity of 136 ft/sec. The height of the projectile above the ground at time t is given by h(t) = -16t2 + 136t. What is the velocity of the projectile when it strikes the ground?

If, f(x) = cos4 3x, find

If f(x)=arctan , find f'(x).

Evaluate the limit.   

Find the vertical asymptote(s) of the graph of the given function.f(x) =

Solve the problem.A storage tank used to hold sand is leaking. The sand forms a conical pile whose height is twice the radius of the base. The radius of the pile increases at the rate of 3 inches per minute. Find the rate of change of volume when the radius is 7 inches.  Use the formula V= πr2h.

Find the exact value of the trigonometric function. tan

Solve the equation.5×2 – 30x + 40 = 0

What term do we use to classify the cells that have an arrow pointing to them?

What would you do if you came across a differential that looks like this?