1. Let

?????

2. Let .

Find f ''(0)=????

3. Let .

Then is = ?????

is =??????

and is =?????

4. Suppose that the equation of motion for a particle (where is in meters and in seconds) is

.

(a) Find the time (other than at ) when the acceleration is 0.

Acceleration is 0 at time =??????

(b) Find the position and velocity at this time.

Position =??????Velocity =?????

5. Suppose that

Find =?????