Finding the domain of a rational function with a cubic denominator

Finding the domain of a rational function with a cubic denominator

Finding the domain of a rational function with a cubic denominator

2:08

About this lesson

Use the guidelines to sketch the graph of:
\(\)
\(f(x)=\frac{x^3-8}{x^3+8}\)
Domain

Key Moments

No key moments available.

Video 1 of 10

Finding the domain of a rational function with a cubic denominator

2 min

Selected

Finding the y-intercept and x-intercept of a rational function

4 min

Finding vertical, horizontal, and slant asymptotes for a rational function

18 min

First derivative test: critical numbers, intervals of increase, and local extrema

30 min

Finding concavity and inflection points using the second derivative

44 min

Finding the domain of a cubic polynomial function

2 min

Finding x-intercepts and y-intercept of a cubic polynomial

5 min

Finding asymptotes of a polynomial function

3 min

Finding critical points, intervals of increase/decrease, and local extrema

11 min

Computing the second derivative and sketching the full curve

23 min