Question

At a certain store, a CD costs $12. If the cost of CDs were graphed as the output, compared to the number of CDs purchased as input, which of the following would not be true of the graph?
A.
The set of points would all lie on the same line.
B.
The set of points would include the origin.
C.
The set of points would rise from left to right.
D.
The set of points would not graph a function.

Answer 1

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The best and most correct answer among the choices provided by the question is A.The set of points would all lie on the same line.    
      
Hope my answer would be a great help for you.  

Answer 2

Hello there.

At a certain store, a CD costs $12. If the cost of CDs were graphed as the output, compared to the number of CDs purchased as input, which of the following would not be true of the graph? 

A.
The set of points would all lie on the same line.