An efficiency study of the morning shift at a certain factory indicates that an average worker arriving on the job at 7:00 A.M. will have assembled f(x) = x3 + 6x2 + 15x units x hours later. Approximately how many units will the worker assemble between 8:00 and 8:15 A.M.

The country of Benin in West Africa has a population of 9.05 million people. The population is growing at a rate of 3.1% each year. Which of the following functions can be used to find the population 7 years from now? A f(t) = (9.05 x 106)(1 – .31)7 В f(t) = (9.05 × 106)(1 + 0.31)7 C f(t) = (9.05 x 106)(1 – 0.031)7 D f(t) = (9.05 x 106)(1+ 0.031)7

Let f(x) = loge(– 3x² + x) + 6²ª + V2 + TV? Find f (x)

Imagine that COVID-19 had spread exponentially in Maine since the first case (on March 12). Using the model f(t)=A02t/d  with A0=1 and t= number of days since March 12, find D with the knowledge that there were 7,603 total cases on Nov. 7, 240 days after March 12.