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How can you tell if a function is linear by looking at the graph or the equation​
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How can you tell if a function is linear by looking at the graph or the equation​

User Richardson
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Every linear graph is just a straight line, so if there are any curves or unnatural shapes, than you know it is not linear. As for equations, if it can be shaped into y=mx+b where m and b are numbers, then it will be a linear equation.
User Deepu Madhusoodanan
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