Answer:
[tex] →- 9f( \frac{1}{3f}) + \frac{2}{3} \\= - 9( \frac{1}{3} ) + \frac{2}{3} \\=-\frac{9}{3}+\frac{2}{3} \\=\frac{(-9+2)}{3}\\=\boxed{\frac{-7}{3}}✓[/tex]
