Answer:

Step-by-step explanation:
Take a vertical line and place it on thegraph<span>. </span>If<span> the </span>graph is a function<span>, then no matter where on the </span>graph<span> you place the vertical line, the </span>graph<span>should only cross the vertical line once.</span>
Green area - triangle area = 72-9 = 63 square feet
Answer:
D
Explanation:
Same x values cannot correspond to any y values. Also if u plotted the points, the vertical line test would fail.
Answer:
75%
Hope this helps!!!
Step-by-step explanation: