We start with
We can factor x at the numerator:
So, assuming (otherwise the expression would make no sense) we can simplify it:
This equation has no roots, so we can't simplify it any further.
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3 packages though she'll have extra left over because 7+7=14 that will only be 2 packages but since she needs 15 she'll have to buy 3 packages
Answer:
The range is from -6 to 4 (inclusive).
The range is the set of y values for which the relation exists.
Looking for bottom to top the curve exists everywhere from y=-6 (lowest y) to y=4 (highest y).
The range is [-6,4] in interval notation.
The range is in inequality notation.
Im not 100% about how this question is explained or written but i think its 8