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whether a graph is a function is determined by the vertical line test take a pencil or other vertical object run it along the x-axis does the function touch the pencil anywhere more than once? if it doesn't ---> it's a function if it does ---> it's not a function
C?
whether a graph is a function is determined by the vertical line test. it has nothing to do with whether the line is straight or curved. apply the vertical line test.
Oh so the answer will never be "Yes, Because its curved?"
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yes, because both curved and straight functions exist
ooh ty sm really helped
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