Solve the problem.
-The number of students infected with the flu on a college campus after $t$ days is modeled by the function $P ( t ) = \frac { 240 } { 1 + 39 e ^ { - 0.3 t } }$. When will the number of infected students be 120 ?
A) About 12 days
B) About 14 days
C) About 8 days
D) About 16 days

Question

Quizplus · Accepted Answer

The number of infected students will be 120 when $P(t) = 120$. Solving this equation for $t$ gives $t \approx 12$.

Solve the Problem ttt Days Is Modeled by the Function P(t)=2401+39e−0.3tP ( t ) = \frac { 240 } { 1 + 39 e ^ { - 0.3 t } }P(t)=1+39e−0.3t240​

Solve the Problem $t$ Days Is Modeled by the Function $P ( t ) = \frac { 240 } { 1 + 39 e ^ { - 0.3 t } }$