If $f$ is the Fourier series of $g(x)=\begin{cases} 0, & -5 < x < 0 \cr 9 x, & 0 \leq x < 1 \cr 11, & 1 \leq x < 5 \cr \end{cases}$, then
$f(x)=$ $+$

$\hskip 20pt\displaystyle\sum_{n=1}^{\infty} \Bigg[ \Big($ $\displaystyle\Big)\cos\Big(\frac{n \pi}{5}x\Big) + \Big($$\displaystyle\Big)\sin\Big(\frac{n \pi}{5}x\Big) \Bigg]$

What does $f(-5)$ equal?$\ \ \ \ f(-5)=$

What does $f(-2.5)$ equal?$\ \ \ \ f(-2.5)=$

What does $f(0)$ equal?$\ \ \ \ f(0)=$

What does $f(1)$ equal?$\ \ \ \ f(1)=$

What does $f(2)$ equal?$\ \ \ \ f(2)=$

What does $f(5)$ equal?$\ \ \ \ f(5)=$