Which equation represents a linear function? (5 points)
Equation 1: y3 = 2x + 1
Equation 2: y = 3x + 1
Equation 3: y = 5x2 − 1
Equation 4: y = 4x4 − 1
![Which equation represents a linear function 5 points Equation 1 y3 2x 1 Equation 2 y 3x 1 Equation 3 y 5x2 1 Equation 4 y 4x4 1 class=](https://us-static.z-dn.net/files/df7/a92f61a03c14476ad6355e64d0d21f10.png)