Fourier series: Coefficients of Fourier series
Piecewise continuous and smooth functions
Consider the piecewise defined real function \[f(x)=\begin{cases}\displaystyle \sqrt{8-2 x } &\text{if }\displaystyle x\le4\\ \\ \displaystyle -{{88}\over{4 x -14}}-7 &\text{if }\displaystyle 4\lt x\lt10\\\\\displaystyle -9 x -2 &\text{if } \displaystyle x\ge10 \end{cases} \]
Evaluate \(f(9)\).
Evaluate \(f(9)\).
| \(f(9)=\) |
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