Question

Jogging is one of the new sports that has been consistently increasing over the past few years. The number of people jogging ( in millions ) from the years 2000 to 2009 is given by the equation y=x+10 Where the x is the number of years after 2000Use this equation or graph of it to complete the ordered pair (5,?)Write a sentence explaining the meaning of the answer If this trend continues, how many joggers will there be 2015?

Answer 1

To find the missing coordinate, we evaluate the given function at x=5:

`\begin{gathered} y=5+10,^{} \\ y=15. \end{gathered}`

Therefore in 2005, there will be 15 million people jogging.

If the trend continues, to compute how many joggers will there be in 2015, we evaluate the given function at x=2015-2000=15:

`\begin{gathered} y=15+10, \\ y=25. \end{gathered}`

Therefore, in 2015 there will be 25 million joggers.

Answer:

The ordered pair is (5,15), which means that in 2005, there will be 15 million people jogging.

If this continues, in 2015 there will be 25 million joggers.