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Mathematics 12 Online
OpenStudy (anonymous):

Help Please!!! Which of the following best describes the equation below? y = -2x + 2 A. neither a relation nor a function B. both a relation and a function C. function only D. relation only

OpenStudy (anonymous):

Every function is also a relation, but not every relation is a function. This equation is a function since it is the equation of a line, therefore passes the vertical line test if you graph the equation. So the answer is B

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