SOLUTION: Linear or nonlinear? Why? Y=x2-5

SOLUTION: Linear or nonlinear? Why? Y=x2-5

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Question 1059180: Linear or nonlinear? Why? Y=x2-5
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
If that is "x squared" then it is nonlinear. In order for a function to be linear, any 'x' appearing must have exponent exactly equal to 1.
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Nonlinear examples:

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Linear examples:

This can be thought of as
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