At a particular music store, CDs are on sale at $11.00 for the first one purchased and $9.00 for each additional disc purchased.
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the denominator cannot be zero, because the division by zero is not defined, therefore:
Therefore the domain of (f o g)(x) is:
The general equation of a line is:
When m is the gradient and x1 and y1 are the coordinates of the points on the line
Therefore:
When m is the gradient and x1 and y1 are the coordinates of the points on the line
Therefore: