In order to be a function, every x-value must correspond to only one y-value.
Answer: D
Your fraction answer would be I think 1/15
Answer:

Step-by-step explanation:
Let
x-------> the number of pies
we know that
-----> linear equation that represent the situation
solve for x




Round to the nearest whole number

Slopt in form ax+by=c is -a/b
-3/3=-1
slope is -1
intercept in form ax+by=c is c/b
63/3=9
slope is -1
intercept is at y=9