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Range untuk -2
f(x)= 4-x
f(-2)= 4-(-2) =
= 4+2
= 6
Range untuk -1
f(x)= 4-x
f(-1)= 4-(-1)
= 4+1
= 5
Range untuk 0
f(x)= 4 - x
f(0)= 4-0
= 4
Range untuk 1
f(x)=4 - x
f(1)= 4- (1)
= 3
Range untuk 2
f(x)= 4 - x
f(2)= 4- (2)
= 2
Sebelumnya yakin domainnya {-2,-2,0,1,2} kok -2 nya ada 2.....
Kalo kayak gini {-2,-1,0,1,2} range nya {2,3,4,5,6}
Tapi kalau {-2,-2,0,1,2} rangenya {2,3,4,6}