could I get help on this?

1. [3.33/6.66 Points] DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR TEACHER A trough is 12 feet long and 3 feet across the top (see figure). Its ends are isosceles triangles with altitudes of 3 feet. 2 ft3 min 12 ft- 3 ft 3f that (a) If water is being pumped into the trough at 2 cubic feet per minute, how fast is the water level rising when h is 1.2 feet deep? 0.1388 ft/min (b) If the water is rising at a rate of 3/8 inch per minute when h = 2.3, determine the rate at which water is being pumped into the trough. 0.7875 x fts/min 2. [-/6.66 Points] DETAILS MY NOTES ASK YOUR TEACHER Find the critical numbers of the function. (Enter your answers as a comma-separated list.) g(t) = tv 14 - t, t