Help !! solve equation , show work in sketch panel and enter solution

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?

What is the interquartile range (iqr) of the data set represented by this box plot?