Respuesta :
make a line and drag it over the shape if you see more than 2 points over the line then it is not a function if you see only 1 point over the line it is a function
Answer:
make a line and drag it over the shape if you see more than 2 points over the line then it is not a function if you see only 1 point over the line it is a function
Step-by-step explanation: