The two lines at right represent the growing profits of Companies A and B.
Sketch this graph on your paper. If Company A started out with more profit than Company B, determine which line represents A and which represents B. Label the lines appropriately.
Company A's line should have a greater
-intercept, since they started with more profit than Company B.
See the graph below.
In how many years will both companies have the same profit?
Find where the two lines intersect.
-coordinate for this point. years
Approximately what will that profit be?
The profit is the
-coordinate of the intercept. Each tick mark represents .
Which company’s profits are growing more quickly? How can you tell?
Growth is related to how steep a line is. Which line is steeper?