Sketch the graph each of the following.  Be sure to clearly label the units on the axes. Show asymptotes as dotted lines. Assume these relations are on R x R. y = x4 + 2x2 − 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 20E
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Sketch the graph each of the following.  Be sure to clearly label the units on the axes. Show asymptotes as dotted lines. Assume these relations are on R x R.

  1. y = x4 + 2x2 − 1
  2. y = 1/x
  3. y = 4
  4. y = ex/x
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