an observation deck extends 121 feet out about a valley. The deck sits 71 feet above the valley floor. If an object is dropped from the observation deck, its height h in feet, after t seconds, is given by h=-16t^2+71. How long will it take for the object to be 7 feet above the valley floor?

step-by-step explanation:

1. the cylinder is a. 54

2.   a.108 /

the red lines denote the population of the bacteria after 35 hours. that would be 2,409.24. the y-intercept is the blue line which is 800 because that is the starting point. the equation used to make the graph is 800(1.032)^h, where h is the number of hours.

step-by-step explanation: