Latonya earns a commission of for each magazine subscription she sells and for each newspaper subscription she sells.

Her goal is to earn a total of in commissions in the next two weeks.

a.

Write an equation that is a model for the different numbers of magazine and newspaper

subscriptions that can be sold to meet the goal.

Let and represent the number of magazines and newspapers respectively.

Commission for magazines is .

Commission for newspapers is .

The goal is .

The equation is .

b.

Graph: 

Graph the equation is .

The graph passes the vertical line test.

Thus, the equation represents a function.

c.

Latonya sells magazine subscriptions and newspaper subscriptions, will she meet her goal.

                             (Original expression)

             (Substitute and )

                                (Multiply)

                                       (Add: )

The amount that Latonya will earn is .

She could not meet her goal.

a.The equation is . 

b. Graph the equation is . 

c. The amount that Latonya will earn is .