the ancient greeks were able to construct a perpendicular bisector for a given line segment using only a straightedge and compass

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

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]

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12