Which of the following equations are linear or nonlinear?
1. is y= – 1/2x -1.34 (linear or nonlinear)
2. is y= 2x^2 + 4 (linear or nonlinear
3. is y= 0.25x + 4 (linear or nonlinear)
4. is y= 2x (linear or nonlinear)
5. is y= 4x^3 (linear or nonlinear)
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