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If f(x) {x + 5 }. And f(-4). Why is the answer 9?

If f(x) {x + 5 }. And f(-4). Why is the answer 9?-example-1
User Mark Kenny
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According to the piecewise function, when x is less than -2, the function is x+5.

In this case -4 is less than -2, which means that the function is:


\begin{gathered} f(-4)=-4+5 \\ f(-4)=1 \end{gathered}

User Mahib
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