Question 185732
I answer this question before.

I used the same equation listed here except for the notation.

I used C(S) = 6525 + 225(S).

Look, we let S equal the following values: 1, 2, 3, and 4.  I selected these values but you can pick any positive numbers you like.

I will use your equation without the notation C(S), which is read "C of S."

C = 6525 + 225(1)

C = 6750

Our first point to graph is (1,6750).

C = 6525 + 225(2)

C = 6975

Our second point is (2,6975).

C = 6525 + 225(3)

C = 7200

Our this pointis (3,7200)

Lastly, we let S = 4 and do the same thing.

C = 6525 + 225(4)

C = 7425

Our fourth point is (4,7425)

All points have the form (x,y).

So, x represents the x-axis and y represents the y-axis.

Plot each point above on the coordinate plane.

If you have graph paper, that's even better.

Understand?