Search the courses, subjects, tracks, games and features, or jump straight to a page.
4 cards from this section. Quick, good the night before a test.
What is the standard form of a cubic function?
Look at the highest power and how it relates to the degree of the polynomial.
Identify the end behavior of 𝑓(𝑥) = -𝑥³ + 4.
Consider the sign of the leading coefficient.
What is the highest degree of a cubic function?
Think about the definition of polynomial degrees.
True or False: A cubic function can have more than three real roots.
Remember the fundamental theorem of algebra.
Given the cubic function 𝑓(𝑥) = 2𝑥³ - 3𝑥² - 4𝑥 + 4, determine the roots using synthetic division.
Start with easy rational roots to find one root.
A cubic function can model the revenue based on the number of items sold, where the equation is R(x) = -x³ + 6x² + 9. What are the maximum revenue and its corresponding quantity sold?
Use calculus methods to find the maxima.
6 more questions in this section. Enroll free to practise them all.
Enroll free