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

What do you think?

Answer 2

Ok, so it will be on a straight line, and a straight line is a function. And if when the numbers of CD increases and the price increases, it will go up left to right, so what is your answer?

Answer 3

a?

Answer 4

No..

Answer 5

I said they will all be on the same line.