Use the Figure to Solve Each Equation or Inequality $f(x)=g(x)$ (B) $f(x)<g(x)$

Use the figure to solve each equation or inequality.
(a) $f(x)=g(x)$
(b) $f(x)<g(x)$
(c) $f(x) \geq g(x)$
(d) $y_{2}-y_{1}=0$