Answer:about 40 miles
Step-by-step explanation:
The answer is C.
For a relation to be a function every x-value must be associated with one y-value. C has the x-value of 1 have two separate y-values. The others do not have an x-value that repeats.
It cost 2 dollars for 1 pound of oranges
The fourth one is correct.
the graph will be symmetrical at y=0