At how many points does the graph of the function below intersect the x axis

The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased. for each new desk that is purchased, by how much does the amount of money left in the school’s desk fund decrease?

What other information do you need to prove triangle dac=bca by asa

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?