titanandcradios titanandcradios 19-12-2019 Mathematics contestada Which equation represents a linear function? (5 points) Equation 1: y5 = 2x + 1 Equation 2: y = 3x + 1 Equation 3: y = 5x5 − 1 Equation 4: y = 4x4 − 1 Group of answer choices 1. Equation 1 2. Equation 2 3. Equation 3 4. Equation 4