Absolute value, y = 1/f(x), y = |f(x)|, y = f(|x|) and rational functions with vertical, horizontal and oblique asymptotes

What this note covers

1. Absolute value: definition, graphs and equations
2. Reciprocal graphs y = 1/f(x)
3. Graphs of y = |f(x)| and y = f(|x|)
4. Rational functions: vertical and horizontal asymptotes
5. Oblique asymptotes
6. Determining rules from graphs and exam technique

6 sections · 11 key terms & formulas · 6 common mistakes