Use the four-step process to find f'(x), and then find f'(1), f'(2), and f'(3) f(x) =8+3./x f'( x ) = f'(1) = Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.) f' ( 2 ) = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.) f' (3) = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.)