\text { Let } g \text { be the function defined by } g(x)=-x^{2}+4 x . \text { Find } g(a+h), g(-a), g(\sqrt{a}), a+g(a), \text { and } \frac{1}{g(a)} \text

{ . } g(a+h) g(-a) g(\sqrt{a}) a+g(a) 1