ALERT‎:‎ Before you purchase‎,‎ check with your instructor or review your course syllabus to ensure that you select the correct ISBN‎.‎ Several versions of Pearson‎'‎s MyLab & Mastering products exist for each title‎,‎ including customized versions for individual schools‎,‎ and registrations are not transferable‎.‎ In addition‎,‎ you may need a CourseID‎,‎ provided by your instructor‎,‎ to register for and use Pearson‎'‎s MyLab & Mastering products‎.‎ Packages Access codes for Pearson‎'‎s MyLab & Mastering products may not be included when purchasing or renting from companies other than Pearson‎;‎ check with the seller before completing your purchase‎.‎ Used or rental books If you rent or purchase a used book with an access code‎,‎ the access code may have been redeemed previously and you may have to purchase a new access code‎.‎ Access codes Access codes that are purchased from sellers other than Pearson carry a higher risk of being either the wrong ISBN or a previously redeemed code‎.‎ Check with the seller prior to purchase‎.‎ ‎-‎- Gary Rockswold teaches algebra in context‎,‎ answering the question‎,‎ "Why am I learning this‎?‎" By experiencing math through applications‎,‎ students see how it fits into their lives‎,‎ and they become motivated to succeed‎.‎ Rockswold‎'‎s focus on conceptual understanding helps students make connections between the concepts and as a result‎,‎ students see the bigger picture of math and are prepared for future courses‎.‎ This streamlined text covers linear‎,‎ quadratic‎,‎ nonlinear‎,‎ exponential‎,‎ and logarithmic functions and systems of equations and inequalities‎,‎ which gets to the heart of what students need from this course‎.‎ A more comprehensive college algebra text is also available‎.‎