Posted by **Christina** on Saturday, October 29, 2011 at 2:16pm.

The number N of US cellular phone subscribers (in millions) is shown in the table. (Midyear estimates are given.)

t 1996 1998 2000 2002 2004 2006

N 44 69 109 141 182 233

(a) Find the average rate of cell phone growth between the following years. In each case, include the units. (Round your answers to one decimal place.)

(i) from 1996 to 2004

million phones/yr

(ii) from 2002 to 2004

million phones/yr

(iii) from 2000 to 2002

million phone/yr

(b) Estimate the instantaneous rate of growth in 2002 by taking the average of the two average rates of change in (ii) and (iii). What are its units?

______million phones/yr

## Answer This Question

## Related Questions

- Algebra 2 - For the period 1990-2002, the number s (in thousands)lf cellular ...
- Calculus - The following table displays the number of HIV diagnoses per year in ...
- calc and vectors - The following table displays the number of HIV diagnoses per ...
- Math - The table shows the population of a school for the years 1992-2008. Year...
- Math *corrected myself* - he table shows the population of a school for the ...
- Math - The pric of a certain commodity is a function of supply and demand. The ...
- math - The price of a certain commodity is a function of supply and demand. The ...
- algebra - Your research the average cost of whole milk for several years to ...
- algebra - question; you research the average cost of a tank of gasoline for a ...
- algebra - Your research the average cost of whole milk for several years to look...

More Related Questions