Question

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


Equation 1

Equation 2

Equation 3

Equation 4

Answer 1

Equation 2