Cpm Intro Exponential Fns

The half-life of ibuprofen is 1-hour. You take 400 mg of ibuprofen. Write an exponential equation that could be used to find the amount of ibuprofen you have remaining in your body after x hours.

Which is the basic form of an exponential function?

Describe the function:

• exponential growth

• exponential decay

Describe the function:

• exponential growth

• exponential decay

A shipping company started with 40 employees. The number of employees in the shipping company increases at a rate of 7.5% each year.

What function can be used to model the number of employees, f(x), in the shipping company after x years?

​ (a)  

A shipping company started with 40 employees. The number of employees at the shipping company increases at a rate of 7.5% each year. Which function can be used to model the number of employees, f(x), at the shipping company after x years?

Create the exponential function with the following attributes:

Asymptote: y = 0

Initial value: 3

Point on the graph: (2, 6)

Growth

There were 417 cell phones sold at an electronics store in January. Since then, cell phone sales at this store have increased at a rate of 3.75% per month. At this rate of growth, which function can be used to determine the monthly cell phone sales x months after January?

Which equation matches the graph?

• y = 2^x+3

• y = 2^x + 3

• y = 2^x

• y = 2^-x

Solve the equation for x.

• 7.389

• 0.693

• 0.0183

• 6.581