Answer:
i dont know if may answer is correct this is may answer 3
(-3,5)(6,-1)
slope = (-1 - 5) / (6 - (-3) = -6/9 which reduces to - 2/3 <=
The +k part of the function takes the original function and translates it straight up k units. It's as simple as that. If your function is the line f(x) = 3x, then the function f(x) = 3x + 4 moves that first function up 4 units.