More Graphs of Polynomial Functions

Each of the problems below is a link. If you click on the problem, it will take you to a YouTube video of a full, step-by-step solution for the problem. You may try these problems as practice and use the videos to check your answer, or you can just watch the videos to see more worked-out example problems.

Sketch a graph of f of x = negative x to the fourth power + 4x squared by finding its zeros, picking test points in each interval, and determining its end behavior
Sketch a graph of g of x = x cubed + x squared minus 4x minus 4 by finding its zeros, picking test points in each interval, and determining its end behavior