Question

A colony of bacteria is growing exponentially according to the function below, where t is in hours. what will the approximate number of bacteria after 6 hours? B(t) = (4)(e^0.8t)
a. 122
b. 486
c. 94,251
d. 8602

Answer 1

Answer:

B. 486 bacteria

Step-by-step explanation:

B(t) = 4 × $e^{0.8t}$

When t is equal to 6 hours;

B(t) = 4 × $e^{0.8(6)}$ = 486.0416701 bacteria

i.e 486 bacteria (rounded up to nearest whole number)

Answer 2

Answer:

B

Step-by-step explanation: