fungsi f didefinisikan sebagai f(×)=-2×+3 tentukanlah nilai fungsi untuk domain fungsi ×=｛1,2,3,4,5｝

f(×)=-2×+3 = -2.1+3 = 1
f(×)=-2×+3 = -2.2+3 = -1
f(×)=-2×+3 = -2.3+3 = -3
f(×)=-2×+3 = -2.4+3 = -5
f(×)=-2×+3 = -2.5+3 = -7