"it was you who awoke me last summer out of a life-long stupid dream" write the conclusion for this quote

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

Round each decimal to the nearest thousandth. a. 5.39562 b. 0.12345 c. 5634 d. 18.93763