Question

A trendline is given to depict the enrollment at a local college where x is the year and y represents enrollment. y=178.09x−353194Use the trendline to estimate the enrollment for 2009. Round to the nearest whole number.

Answer 1

To determine the enrollment in 2009 we need to plug x=2009 in the equation given to determine the value of y:

`\begin{gathered} y=178.09(2009)-353194 \\ y=357782.81-353194 \\ y=4588.81 \end{gathered}`

Therefore, in the year 2009, there were 4589 students enrolled