One more to go with math homework. We need help I’m an old lady just helping my nephew
![One more to go with math homework We need help Im an old lady just helping my nephew class=](https://us-static.z-dn.net/files/dbf/0ebbd59c538a0f2826ecd370a684883d.png)
Answer: Vertical test shows that each input has exactly one output. Both functions displayed should be functions. (Use vertical line and make sure it only intersects at one place)