Suppose each of them tells 1 person, and then everybody tells exactly 1 other person, and so on. Assume that the rate for telling the next person is 1 hour. That is, initially Jack and Jill know; after 1 hour, 2 more people know, ... How long (in hours) will it take until all 450 students in the school hear the rumor?

Identify the graph of y = ln x + 1.

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge