- $\rhd$ Intro to inverse functions (9:05) For $f(x)=2x-4$, Sal finds $f^{-1}(x).$
- $\rhd$ Inputs and outputs of inverse functions (6:18) For a function $f(x)$ defined by a table, find $f^{-1}(x)$, $f(-9)$, $f(f(-9)+1)$, $f^{-1}(8)$, $f(f^{-1}(7))$, $f^{-1}(f^{-1}(13))$.
- $\rhd$ Graphing the inverse of a linear function (2:17)
- * Practice: Type of problem: Given the graph of a function $g(x)$, find the value of $g^{-1}(7)$.
- $\rhd$ Finding inverse functions: quadratic (7:12) Find the inverse of $f(x)=(x+2)^2+1$ for $x\geq -2$.
- $\rhd$ Finding inverse functions: rational (7:01) Find the inverse of $g(x)=\dfrac{2x-1}{x+3}$.
- * Practice: Type of problem: What is the inverse function of $f(x) = 8x+1$?
