Fourier series: Coefficients of Fourier series
Piecewise continuous and smooth functions
Consider the piecewise defined real function \[f(x)=\begin{cases}\displaystyle {{4}\over{3 x +1}}+10 &\text{if }\displaystyle x\lt-2\\ \\ \displaystyle \sqrt{5 x +10} &\text{if }\displaystyle -2\le x\lt4\\\\\displaystyle -9 x ^2+3 x -2 &\text{if } \displaystyle x\ge4 \end{cases} \]
Evaluate \(f(4)\).
Evaluate \(f(4)\).
| \(f(4)=\) |
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