Y=2x^2-6x+4

separate the values with a comma

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]

Ineed to know the answer to this algebra question.

What is the value of f(x) = 2.2 for f(-2)?