Graphing has always been difficult for me. Could you please explain how to get the following answer?

Use the graph to answer the following problem. =-2 Find x if g(x) i .3 i \"i \"i .3 3 4 : mi 3 i WmerTTmer'Tm"! "Jam--miwmwwl-mul-mimm 4mimLmu4mLmL4ms JM&WLHL.LHJ.WL.JHJ VM i H +- i t*+*k*+*fw+"+ *+"b"P+*+*P" : fm-l-mi-wimuivwb r"T\"r\"1"\"\"\"r\"r\"r imLmL4m&dem$mL im&.mh...1md.mi.m~.&m.i. i... in l .......................................................... Luismlmdmuiamiumlm