Fourier series: Coefficients of Fourier series
Piecewise continuous and smooth functions
Consider the piecewise defined real function \[f(x)=\begin{cases}\displaystyle 6 x ^2-9 x +9 &\text{if }\displaystyle x\le-4\\ \\ \displaystyle -{{6}\over{5 x +25}}-7 &\text{if }\displaystyle -4\lt x\le4\\\\\displaystyle 6-10 x &\text{if } \displaystyle x\gt4 \end{cases} \]
Evaluate \(f(-5)\).
Evaluate \(f(-5)\).
| \(f(-5)=\) |
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