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Let 
f be a continuous function on the closed interval 
[-2,1], where 
f(-2)=3 and 
f(1)=6.
Which of the following is guaranteed by the Intermediate Value Theorem?
Choose 1 answer:
(A) 
f(c)=0 for at least one 
c between -2 and 1
(B) 
f(c)=0 for at least one 
c between 3 and 6
(C) 
f(c)=4 for at least one 
c between -2 and 1
(D) 
f(c)=4 for at least one 
c between 3 and 6

Let f f be a continuous function on the closed interval [2,1] [-2,1] , where f(2)=3 f(-2)=3 and f(1)=6 f(1)=6 .\newlineWhich of the following is guaranteed by the Intermediate Value Theorem?\newlineChoose 11 answer:\newline(A) f(c)=0 f(c)=0 for at least one c c between 2-2 and 11\newline(B) f(c)=0 f(c)=0 for at least one c c between 33 and 66\newline(C) f(c)=4 f(c)=4 for at least one c c between 2-2 and 11\newline(D) f(c)=4 f(c)=4 for at least one c c between 33 and 66

Full solution

Q. Let f f be a continuous function on the closed interval [2,1] [-2,1] , where f(2)=3 f(-2)=3 and f(1)=6 f(1)=6 .\newlineWhich of the following is guaranteed by the Intermediate Value Theorem?\newlineChoose 11 answer:\newline(A) f(c)=0 f(c)=0 for at least one c c between 2-2 and 11\newline(B) f(c)=0 f(c)=0 for at least one c c between 33 and 66\newline(C) f(c)=4 f(c)=4 for at least one c c between 2-2 and 11\newline(D) f(c)=4 f(c)=4 for at least one c c between 33 and 66
  1. The Intermediate Value Theorem: The Intermediate Value Theorem states that if a function ff is continuous on a closed interval [a,b][a, b] and NN is any number between f(a)f(a) and f(b)f(b), then there exists at least one number cc in the interval (a,b)(a, b) such that f(c)=Nf(c) = N.
  2. Given Function and Interval: We are given that ff is continuous on the closed interval [2,1][-2, 1], f(2)=3f(-2) = 3, and f(1)=6f(1) = 6. We need to determine which statement is guaranteed by the Intermediate Value Theorem.
  3. Analysis of Option (A): Option (A) suggests that f(c)=0f(c) = 0 for some cc between 2-2 and 11. However, since f(2)=3f(-2) = 3 and f(1)=6f(1) = 6, and 00 is not between 33 and 66, the Intermediate Value Theorem does not guarantee that f(c)f(c) will equal 00 on the interval cc11.
  4. Analysis of Option (B): Option (B) suggests that f(c)=0f(c) = 0 for some cc between 33 and 66. This is not relevant to the Intermediate Value Theorem as it applies to the values of cc, not the values of f(c)f(c), and the interval given is [2,1][-2, 1], not [3,6][3, 6].
  5. Analysis of Option (C): Option (C) suggests that f(c)=4f(c) = 4 for some cc between 2-2 and 11. Since 44 is between f(2)=3f(-2) = 3 and f(1)=6f(1) = 6, the Intermediate Value Theorem guarantees that there is at least one cc in the interval [2,1][-2, 1] such that f(c)=4f(c) = 4.
  6. Analysis of Option (D): Option (D) suggests that f(c)=4f(c) = 4 for some cc between 33 and 66. This is again not relevant to the Intermediate Value Theorem as it applies to the values of cc in the interval [2,1][-2, 1], not the values of f(c)f(c) in the interval [3,6][3, 6].

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