Problem
Determine if the function is invertib a. \( f(x)=3 x^{11} \) yes
Solution
Step 1 ：\(g(x) = \frac{1}{3}x^{\frac{1}{11}}\)
Step 2 ：\(g(f(x)) = \frac{1}{3}(3x^{11})^{\frac{1}{11}} = x\)
Step 3 ：\(f(g(x)) = 3(\frac{1}{3}x^{\frac{1}{11}})^{11} = x\)
