The table shows some input$-$output pairs for the functions $f$ and $g.$

$\backslash$table$[[x,f(x),g(x)$

a$.$ Evaluate g$($f$(-2)).$

g$($f$(-2))=$

b$.$ Evaluate f$($g$(-1)).$

f$($g$(-1))=$

c$.$ Solve f$($g$($x$))=2$ for x$.$

x$=$