Question from my math test.

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

What 8/12+8/11 in another way than and improper fraction

What is the domain of the step function f(x)=[2x]-1?