swadhamishra2021 swadhamishra2021 14-07-2022 Mathematics contestada NO EXPLAINATIION HELP FAST PLEASEEE (07.05A)Which of the following has a graph that is a straight line? Equation 1: y = 2x + 7 Equation 2: y2 = x − 1 Equation 3: y = 2x2 + 4 Equation 4: y = 3x3HELP FAST NO EXPLAINATION NEEDED