Jawabanmu

2014-05-20T21:31:02+07:00
F(-3)= 2(-3)^2 +5 = 2(9) + 5 = 18 + 5 = 23
2014-05-20T21:37:38+07:00
F(-3)= 2(-3)² + 5
       = 2(9) + 5
       = 18 + 5
       =  23