The number of bacteria in a sample increased by a factor of 2 every minute from 9:05 a.m. to 9:55 a.m.. The function below shows the number of bacteria in
the sample f(x) after x minutes from 9:05 a.m: f(x) = 10(2)x Which of the following is a reasonable domain for the function?

0 ≤ x ≤ 10
5 ≤ x ≤ 55
0 ≤ x ≤ 50
All positive integers

Question

The number of bacteria in a sample increased by a factor of 2 every minute from 9:05 a.m. to 9:55 a.m.. The function below shows the number of bacteria in
the sample f(x) after x minutes from 9:05 a.m: f(x) = 10(2)x Which of the following is a reasonable domain for the function?

0 ≤ x ≤ 10
5 ≤ x ≤ 55
0 ≤ x ≤ 50
All positive integers

acespeedfighter · Answer

awww is this your first question? :D

zin7770 · Answer

Yep Sorry for the late reply.

zin7770 · Answer

I have no clue what the answer is.

wolf1728 · Answer

Are you sure of this equation:
f(x) = 10(2)x
It seems as if there should be an exponent in there.
I'd say the answer is
0 ≤ x ≤ 50
because the time involved is 50 minutes.
9:05 a.m. to 9:55 a.m.= 50 minutes

zin7770 · Answer

Thanks! I was stuck on this for like half an hour.

wolf1728 · Answer

Okay - glad to help