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Y = 3x +1; domain = {-1, 0, 1}
Help me find range value

User Maggu
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1 Answer

3 votes

We have to put values of domain to find range


\\ \ast\sf\longmapsto y=3x+1


\\ \ast\sf\longmapsto D_R=[-1,0,1]


\\ \ast\sf\longmapsto y=3(-1)+1=-3+1=-2


\\ \ast\sf\longmapsto y=3(0)+1=0+1=1


\\ \ast\sf\longmapsto y=3(1)+1=3+1=4

Now


\\ \ast\sf\longmapsto R_R=[-2,1,4]

User Verim
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