A hotel elevator starts on the 5th floor. It went up 7 floors, down 3 floors, and then down 6 floors. On what floor did the elev
1 answer:
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Answer:
No
Step-by-step explanation:
y^2 = x^2 + 5
Rewriting
y^2 - x^2 = 5
This is a hyperbola
We can use the vertical line test to show that it is not a function since a vertical line passes through more than one point.
