Tobias sent a chain letter to his friends, asking them to forward the letter to more friends. The number of people who receive the email increases by a factor of
4
44 every
9.1
9.19, point, 1 weeks, and can be modeled by a function,
P
PP, which depends on the amount of time,
t
tt (in weeks).
Tobias initially sent the chain letter to
37
3737 friends.

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

What is fraction that is equivalent to 3/8

Which of the following will form the composite function?