If f(x)=5+5x+2x2\displaystyle {f{{\left({x}\right)}}}={5}+{\frac{{{5}}}{{{x}}}}+{\frac{{{2}}}{{{x}^{{2}}}}}, find f(x)\displaystyle {f}'{\left({x}\right)}.
 

Find f(1)\displaystyle {f}'{\left({1}\right)}.
 

Find f(x)\displaystyle {f}{''}{\left({x}\right)}.
 

Find f(1)\displaystyle {f}{''}{\left({1}\right)}.