Question

Sherry needs to sell T-shirts as a fundraiser for a charity. She starts with 40 T-shirts and begins selling at a constant rate of 5 T-shirts each day.



Use the Segment tool to plot a graph representing the number of T-shirts Sherry has left to sell from the time she begins selling until the T-shirts are gone.

Keyboard Instructions
Initial graph state
The horizontal axis goes from -0.8 to 11.4 with ticks spaced every 1 unit(s).
The vertical axis goes from -2 to 45 with ticks spaced every 5 unit(s).
T-shirt Fundraiser
Time (days)T-shirts left to sell

Answer 1

Plot the segment of the line y = 40 − 5x from x = 0 to x = 8.

Use the Segment tool to draw with endpoints (0, 40) and (8, 0). (Both endpoints should be filled — at day 0 there are 40 shirts, and at day 8 there are 0.)