Which expressions are equivalent when m = 1 and m = 4? 5 m minus 3 and 2 m + 5 + m 3 m + 4 and m + 4 + 2 m 2 m + 7 and 3 m minus 3 + m 5 m + 3 and 4 m + 2 + 2 m

Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]

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 is the circumference of a circle with an area of 50.24 cm²?