Welcome to Westonci.ca, your one-stop destination for finding answers to all your questions. Join our expert community now! Discover comprehensive solutions to your questions from a wide network of experts on our user-friendly platform. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

The polynomial function f(x)​ has degree 4​​, a y​-intercept of 20​, roots of −4 and 5, and a multiplicity 2​ root of −1​.
Enter f(x)​