140 F1 20 At what time does the child: A. Begin to fill the pail? t = B. Finish filling the pail? t C. Tip the pail over? t = (What would the graph of V'(t) look like if the child filled the pail by using a play shovel to repeatedly scoop water from a larger bucket and dump it in the pail instead of using a hose?)

-0.7t The velocity of a rocket is given as a function of time, v=8.9e-º. , t20. The acceleration of the rocket at t= 1.5 seconds is (enter your answer in decimal format) +14

Use a formula to express w as a function of t if  w =    4s + 9  and s = et − 1.  w =

2. On a certain day, the depth off a pier at high tide was 6m. After 6h, the depth of the water was 3m. Assume a 12h cycle a. Find the equation of the depth of water, with respect to its average depth, in terms of the time, t hours since high tide. b. Find the depth of water at t=8h