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F(x) = 3x - x +5.2f (-3) - f(4)

User Joe M
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1 Answer

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\begin{gathered} f(x)=3x-x+5.2 \\ So, \\ f(-3)=3*(-3)-(-3)+5.2=-0.8 \\ f\mleft(4\mright)=3*4-4+5.2=13.2 \\ f(-3)-f(4)=-0.8-13.2=-14 \end{gathered}

User Andrew Einhorn
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