Is it a function? Ordered pairs
A relation is a function if every x-value has exactly one y-value. Write yes or no.
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Is this set of ordered pairs a function? (3, 4), (−4, 5), (−5, 2), (5, 2). Write yes or no.
Answer: yes
Is this set of ordered pairs a function? (−6, 0), (0, 1), (−3, −4), (−2, −6). Write yes or no.
Answer: yes
Is this set of ordered pairs a function? (−6, −4), (4, 6), (−6, 4), (−5, −4), (−1, 1). Write yes or no.
Answer: no
Tip: A relation is a function if every x-value has exactly one y-value. Write yes or no.
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