1 3.6A Summary of Curve Sketching Vertical asymptotes (Section 1.5) xintercepts and yintercepts (Section P.1) Symmetry (Section P.1) Domain and Range (Section P.3) Continuity (Section 1.4) Differentiability (Section 2.1) Relative extrema (Section 3.1) Concavity (Section 3.4) Points of Inflection (Section 3.4) Horizontal asymptotes (Section 3.5) Infinite limits at infinity (Section 3.5) Tools/Concepts useful in Sketching a Graph [p202]
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A Summary of Curve Sketching - Oregon High Schoolteachers.oregon.k12.wi.us/debroux/Calc/3.6lessonkey(3 days).pdf · 1 3.6 A Summary of Curve Sketching Vertical asymptotes (Section
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3.6 A Summary of Curve Sketching
Vertical asymptotes (Section 1.5)
xintercepts and yintercepts (Section P.1)Symmetry (Section P.1)
Domain and Range (Section P.3)Continuity (Section 1.4)
Concavity (Section 3.4)Points of Inflection (Section 3.4)
Horizontal asymptotes (Section 3.5)Infinite limits at infinity (Section 3.5)
Tools/Concepts useful in Sketching a Graph[p202]
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1. Determine the domain and range of the function.2. Determine the intercepts, asymptotes, and symmetry of the graph.3. Locate the xvalues for which f '(x) and f "(x) are either zero or do not exist. Use the results to determine relative extrema and points of inflection.
NOTE: In these guidelines, note the importance of algebra (as well as calculus) for solving the equations f (x) = 0 , f '(x) = 0 , and f "(x) = 0 .
Guidelines for Analyzing the Graph of a Function [p 202]
Polynomial Functions
Rational Functions f (x) = p(x)h(x)
if the degree of p(x) exceeds the degree of h(x) by one, oblique (slant) asymptote (after long division)
Radical Functions f (x) = xn
Trigonometric Functionsomit
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examples: Analyze and Sketch. [p208 #26]1. y = (x3 3x + 2)1