Name: SAT Math Help & School Math Mastery
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#14674

exponential

applications

easy

75 sec

A population of bacteria starts with 500 cells. The population triples every 5 hours. Which equation represents the number of bacteria $P (t)$ , $t$ hours after the population started?

A.

$P (t) = 500 (3)^{t}$

B.

$P (t) = 500 (5)^{\frac{t}{3}}$

C.

$P (t) = 500 (3)^{\frac{t}{5}}$

D.

$P (t) = 500 (\frac{1}{3})^{\frac{t}{5}}$