Does the table or graph a represent a linear or non linear function. Explain how you know.
Please help

Answer:
you draw a straight line at question 7, but you cannot draw a straight line at 9, so 9 cannot be linear
Step-by-step explanation:
Answer:
7. Linear function
9. linear function
Step-by-step explanation:
7. The graph on it represents a straight line do the graph has a linear function
9. The above table the x values and y values have a constant rate of change so the graph is a linear function.