When you add 8 to the end of a function formula, the graph moves UP 8 units. This is often called either a translation or vertical shift.
The values are x = 8 and x = -1.
To find the undefined values, we need to know when the denominator is zero.
To do this, we need to factor it and find the value that would make either factor equal to zero.
If factors to: (x - 8)(x + 1)
Therefore, the undefined values would be at 8 and -1.
Answer:
$0,90
Step-by-step explanation:

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Answer:
d because then you can solve for y then use your answer to find x
Answer:
He would use equation A.
Step-by-step explanation: If each shirt cost 9.50 you would multiply that by how many shirts you have plus the one time fee of 22.50 you would get the equation y= 9.5x + 22.5