Which of the following is a factor of 3xy + 3y − 5x − 5?
2 answers:
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Check the picture below.
notice that if we run the "vertical line test", the green vertical line there, touches the graph more than once, and for a function, it has to touch it only once, so no dice.
notice that if we run the "vertical line test", the green vertical line there, touches the graph more than once, and for a function, it has to touch it only once, so no dice.