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Y = -2x +5; domain = {-2, 2, 4}
Please help me find the range values thanks

1 Answer

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We have to put values of domain to find range


\\ \ast\sf\longmapsto y=-2x+5


\\ \ast\sf\longmapsto D_R=[-2,2,4]


\\ \ast\sf\longmapsto y=-2(-2)+5=4+5=9


\\ \ast\sf\longmapsto y=-2(2)+5=-4+5=1


\\ \ast\sf\longmapsto y=-2(4)+5=-8+5=-3

Now


\\ \ast\sf\longmapsto R_R=[9,1,-3]

User Vdaubry
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