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21-11-2016
Mathematics

contestada

Find w(4) for the function w(x) = 3x + 7.

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Newtion Newtion

21-11-2016

w(4) tells that x=4. So, just put instead of x, number 4.
[tex]w(4)=3\cdot 4+7=12+7=19[/tex]

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