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Mathematics 8 Online
OpenStudy (anonymous):

A function with an input of 1 has an output of 3. Which of the following could not be the function equation? y= -x+ 4 y= 3x y= 2x+ 1 y=x- 2

OpenStudy (anonymous):

y=x- 2

OpenStudy (anonymous):

x is the input and y is the output. Substitute the given values for each of the equations and see which one is not valid.

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