[填空题]
The values of the functfi ae+av-gr* ;)hdp y,ions u j+yih(5xi9zx(unh* f and g and their derivatives for x=3 and x=7 are shown in the follow59xi+h xnju*hy( u (izing table.
Let h(x)=f(x) g(x) .
1. Find h(3) .
2. Find the equation of the normal to h when x=7 .
