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Is y=3x3+6x-8 a linear function?

 Dec 4, 2018
 #1
avatar+203 
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Nope

 Dec 4, 2018
 #2
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Linear means that the highest power of the variable is 1, like \(x^1\) or simply \(x\).

However, in this equation, we see an \(x^3\) .

Therefore, the function is not linear.

 

You are very welcome!

:P 

 Dec 4, 2018

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