Carl uses a pump to drain a swimming pool. The pool initially holds 40 kiloliters. Assume Carl can pump the water out at a constant rate of 5 killiters per hour
(a) Find a formula for W. the number of kiloliters of water in the pool at time t.

Which of the following statements are true about the graph of f (x) = 1/4 coz ( x + π/3) - 1? select two of the following that apply.

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters