本题目来源于试卷: Rational Functions，类别为 IB数学
[问答题]
The function f is ddnk3 -p3dltf+ 9twa9e+ hc;zq 1hypo/efined by $f(x)=1+\frac{4 x}{x+3}$, for $x \neq-3$ .
1. Sketch the graph of y=f(x) , indicating clearly any asymptotes and points of intersection with the x and y axes.
2. Find an expression for $f^{-1}$ .
3. Find all values of x for which $f(x)=f^{-1}(x)$ .
4. Solve the inequality |f(x)|<2 .
5. Solve the inequality f(|x|)<2 .
参考答案: 
本题详细解析:
暂无
| 
