For each new desk that is purchased, the amount left is decreasing at a rate of $ 110 for each new desk.
How to Interpret Graphs?
We are told that the graph shows the amount of money left in the school’s desk fund, f, after d desks have been purchased.
To find by how much money left in the school’s desk fund that decreases, we will find the slope.
Slope = (150 - 480)/(5 - 2) = -330/3 = - 110
Thus, the amount left is decreasing at a rate of $ 110 for each new desk.
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