2x2 Use the guidelines to sketch the curve y = x2 - 1 A. The domain is {x | x2 - 1 + 0} {x | x + +1} (-0, – 1) U (-1,1)U(1,00) (using interval notation). В. The x- and y-intercepts are both 0. C. Since f(-x) = f(x), the function f is even 8. The curve is symmetric about the y-axis. 2x2 D. lim lim 1 X- to 1 - x2 X - t00 x2 - 1 Therefore, the line y =| 2 is a horizontal asymptote. Since the denominator is 0 when x = ±1, we compute the following limits. 2x2 lim = 00 X→1+ x2 2x2 - 1 lim х> 1" х* —1 2x2 lim x → -1+ x² - 1 2x2 lim X → -1- x2 - 1 Therefore, the lines x = 1 and x = -1 are vertical asymptotes. This information about limits and fall.
2x2 Use the guidelines to sketch the curve y = x2 - 1 A. The domain is {x | x2 - 1 + 0} {x | x + +1} (-0, – 1) U (-1,1)U(1,00) (using interval notation). В. The x- and y-intercepts are both 0. C. Since f(-x) = f(x), the function f is even 8. The curve is symmetric about the y-axis. 2x2 D. lim lim 1 X- to 1 - x2 X - t00 x2 - 1 Therefore, the line y =| 2 is a horizontal asymptote. Since the denominator is 0 when x = ±1, we compute the following limits. 2x2 lim = 00 X→1+ x2 2x2 - 1 lim х> 1" х* —1 2x2 lim x → -1+ x² - 1 2x2 lim X → -1- x2 - 1 Therefore, the lines x = 1 and x = -1 are vertical asymptotes. This information about limits and fall.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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