The function P-5.071+ 7.49 gives the percent of households with Internet access

Question

The function P-5.071+ 7.49 gives the percent of households with Internet access as a function of t, the number of years after 1995. a. What are the values of t that correspond to the years 2000 and 2002? b. P f(10) gives the value of P for what year? What is f(10)? c. What Xmin and Xmax should be used to set the viewing window of a graph of P(t) so that t represents 1995-2005? a. What value of t corresponds to the year 2000? t- What value of t corresponds to the year 2002? b. P f10) gives the value of P for what year? What is f(10)? f(10-11%

Explanation / Answer

a. For the years 2000 and 2002, t = 2000-1995 = 5 and 2002-1995 = 7 respectively.

b. When t = 10, P = f(10) gives the value of P for the year 1995+10 i.e. 2005.

c. In the viewing window of the graph of P(t),that represents 1995-2005, we should use xmin = 0 and xmax = 10 as t = 0 in 1995 and t = 10 in 2005.

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