Which equation has the least steep graph? A, y= 1/4 x+9 B. y=- 1/2 x-3 C. y=2x-7 D. y=-6x+1

a Write properties of function: graph: https://p16-ehi-va.gauthmath.com/tos-maliva-i-ejcjvp0zxf-us/772b233c94304a90a90111bd53749cca~tplv-ejcjvp0zxf-scale:396:897.imageb Write properties of function: graph: https://p16-ehi-va.gauthmath.com/tos-maliva-i-ejcjvp0zxf-us/447bf565708f47fbbab0fb8a27bf7c95~tplv-ejcjvp0zxf-scale:626:888.imagec Write properties of function: graph: https://p16-ehi-va.gauthmath.com/tos-maliva-i-ejcjvp0zxf-us/ebe2a9e35cb046f4ba67553d2081a4b5~tplv-ejcjvp0zxf-scale:1531:888.imaged Write properties of function: graph: https://p16-ehi-va.gauthmath.com/tos-maliva-i-ejcjvp0zxf-us/e4e96967ff284087aaf041d063cc252b~tplv-ejcjvp0zxf-scale:1300:888.image