The cost of cellular service is proportional to the number of minutes provided per month. it does not cost anything when no minutes are used.

what does the ordered pair (400, 120) represent in the context of the situation?

a. it represents the cost of the plan if 400 minutes are used.

b.
it represents the cost of the plan if 120 minutes are used.

c.
it represents the number of minutes used in a month.

d.
it does not represent anything since the point is not on the line.

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.