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Mathematics 21 Online
OpenStudy (anonymous):

A function follows the rule y = -75 - 5x. When the function's output is 25, the equation is 25 = -75 - 5x. What is the function input when the output is 25? 20 -20 10 -10

OpenStudy (anonymous):

-20

OpenStudy (anonymous):

Simply solve for x. 100/-5 = -20

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