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Which of the following is not a linear function?

Which of the following is not a linear function?-example-1
User Vamp
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A is not a linear function. For something to be linear the equation needs to be y = Mx + b (you should know this already) so if it’s squared or has a square root sign or something you know it’s not linear. Why? Because is doesn’t match the formula
User MohamMad Salah
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