1. f is continuous for a ≤ x ≤ b but not differentiable for some c such that a < c < b. Which of the following could be true? (A) x = c is a vertical asymptote of the graph of f. (D) f(c) is undefined. (B) lim f(x) + f(c) x-c (C) The graph of f has a cusp at x = c. (E) None of the above
1. f is continuous for a ≤ x ≤ b but not differentiable for some c such that a < c < b. Which of the following could be true? (A) x = c is a vertical asymptote of the graph of f. (D) f(c) is undefined. (B) lim f(x) + f(c) x-c (C) The graph of f has a cusp at x = c. (E) None of the above
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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Transcribed Image Text:1. f is continuous for a ≤ x ≤ b but not differentiable for some c such that a < c < b. Which of the
following could be true?
(A) x = c is a vertical asymptote
of the graph of f.
(D) f(c) is undefined.
(A) 0 only
(D) -2,2, and 6 only
-2 -1
For which values of x does f'(x) = 0?
(A) None
(B) lim f(x) + f(c)
x-c'
m
1
2
3
4
(B) One
(E) None of the above
(B) 2 only
(E) -2,0, 2, 4, and 6
(C) Two
(C) The graph of f has a cusp
at x = c.
5
f(x)
If f'(x) = tan-¹(x²-x), at how many points is the tangent line to the graph of y = f(x) parallel to
the line y 2x?
(D) Three
6
7
(C) 0 and 4 only
(E) Infinitely many
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