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Mathematics, 26.01.2021 08:20 ag1606

Let f(x)=5x-4,g(x)=3x+7then find the value of k if (fog)(k)=7
and (gof)(k)=-2

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Let f(x)=5x-4,g(x)=3x+7then find the value of k if (fog)(k)=7
and (gof)(k)=-2...

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