Fourier series: Coefficients of Fourier series
Piecewise continuous and smooth functions
Consider the piecewise defined real function \[f(x)=\begin{cases}\displaystyle 9 x ^2+9 x +7 &\text{if }\displaystyle x\lt-2\\ \\ \displaystyle \sqrt{4 x +8} &\text{if }\displaystyle -2\le x\lt6\\\\\displaystyle -{{10}\over{3 x +9}}-9 &\text{if } \displaystyle x\ge6 \end{cases} \]
Evaluate \(f(-2)\).
Evaluate \(f(-2)\).
| \(f(-2)=\) |
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