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Help!!! Which equation represents a linear function?

Equation 1: y=2^2 +1
Equation 2: y^2 = 3x + 1
Equation 3: y=5x - 1
Equation 4: y= 4x^4 - 1

(Can only be one!!!)

User Sunilr
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1 Answer

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Explanation:

y=5x-1

Because there is no exponent this is linear and not exponential

User Customcommander
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