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<b>Please check the ISBN that your instructor provided. If the ISBN-13 does not match this product (9781337774079) or its Printed Access Card equivalent (9781337774062) this may not be the correct product. In some cases, you may also require a course code from your Instructor.</b><br><br>WebAssign for Precalculus: A Make it Real Approach helps you prepare for class with confidence. Its online learning platform for your math, statistics and science courses helps you practice and absorb what you learn. Videos and tutorials walk you through concepts when you're stuck, and instant feedback and grading let you know where you stand--so you can focus your study time and perform better on in-class assignments. Study smarter with WebAssign!<br><br><b>Instructor Assigned: Please be aware that the product you are purchasing is usable only if assigned by your instructor. If your instructor has not assigned this product, you should not continue with your purchase.</b>