Find an Online Tutor Now

Abby L.

asked • 03/23/17

In 1992, about 17 million americans used cell phones. Over the next few years, usage increased about 26% each year.

1.Write an exponential function to model situation 
2.Determine how many million Americans used cell phones in 1997

1 Expert Answer

By:

Arturo O. answered • 03/23/17

Tutor
5.0 (66)

Experienced Physics Teacher for Physics Tutoring

Arturo O.

If you start with 17 x 106 in 1992, then N years after 1992 you will have

Total = (17 x 106) (1.26)N
 
Since 1997 is 5 years after 1992,
 
Total = (17 x 106) (1.26)5 ≅ 54.0 million
Report

03/23/17

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.