Ap precalc 2.1-2.6

A culture of 3000 bacteria tries every 40 minutes. If P(t) represents the size of the bacteria population after t minutes, which equation can be used to model the exponential growth of these bacteria?

P(t)=3000(3)^t/40

which of the following functions given below are equivalent?

I. f(x) = (2)^3-x

II. g(x) = 8*2^-8

III.h(x) = 8/2^x

All

The last term of a geometric sequence is 8/125. If the 1st term is 5/2 and the sequence has 5 terms, what is the value of the 2nd term?

1

What is the first term of an arithmetic sequence whose 19th term is 123 and 2nd term is 4?

-3

III.h(x) = 8/2^x

I,II, and III