CalcNotes0201-page2 - (Section 2.1: An Introduction to...

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(Section 2.1: An Introduction to Limits) 2.1.1 SECTION 2.1: AN INTRODUCTION TO LIMITS PART A: “EASY” EXAMPLES Example 1 (Polynomial Function) Assuming fx () = 3 x 2 + x ± 1 , evaluate lim x ± 1 . What is this asking? ± means “approaches.” We will discuss this more rigorously later. lim x ± 1 is read: “the limit of as x approaches 1.” It is the real number that approaches as x approaches 1, if such a number exists. Solution Method f is a polynomial function with presumably unrestricted domain ± . Here, we substitute (“plug in”)
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This note was uploaded on 12/29/2011 for the course MATH 150 taught by Professor Sturst during the Fall '10 term at SUNY Stony Brook.

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