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Let 
g be a continuous function on the closed interval 
[-3,3], where 
g(-3)=0 and 
g(3)=6.
Which of the following is guaranteed by the Intermediate Value Theorem?
Choose 1 answer:
(A) 
g(c)=-2 for at least one 
c between 0 and 6
(B) 
g(c)=5 for at least one 
c between 0 and 6
(C) 
g(c)=5 for at least one 
c between -3 and 3
(D) 
g(c)=-2 for at least one 
c between -3 and 3

Let g g be a continuous function on the closed interval [3,3] [-3,3] , where g(3)=0 g(-3)=0 and g(3)=6 g(3)=6 .\newlineWhich of the following is guaranteed by the Intermediate Value Theorem?\newlineChoose 11 answer:\newline(A) g(c)=2 g(c)=-2 for at least one c c between 00 and 66\newline(B) g(c)=5 g(c)=5 for at least one c c between 00 and 66\newline(C) g(c)=5 g(c)=5 for at least one c c between 3-3 and 33\newline(D) g(c)=2 g(c)=-2 for at least one c c between 3-3 and 33

Full solution

Q. Let g g be a continuous function on the closed interval [3,3] [-3,3] , where g(3)=0 g(-3)=0 and g(3)=6 g(3)=6 .\newlineWhich of the following is guaranteed by the Intermediate Value Theorem?\newlineChoose 11 answer:\newline(A) g(c)=2 g(c)=-2 for at least one c c between 00 and 66\newline(B) g(c)=5 g(c)=5 for at least one c c between 00 and 66\newline(C) g(c)=5 g(c)=5 for at least one c c between 3-3 and 33\newline(D) g(c)=2 g(c)=-2 for at least one c c between 3-3 and 33
  1. Apply Intermediate Value Theorem: The Intermediate Value Theorem states that if a function 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 cc in the interval [a,b][a, b] such that f(c)=Nf(c) = N. We need to apply this theorem to the function gg, which is continuous on the interval [3,3][-3, 3], with g(3)=0g(-3) = 0 and NN00.
  2. Examine Option (A): We examine option (A): g(c)=2g(c) = -2 for at least one cc between 00 and 66. This option is not relevant to the Intermediate Value Theorem because the interval [0,6][0, 6] is not the domain of the function gg; the domain given is [3,3][-3, 3]. Additionally, 2-2 is not between the values of g(3)g(-3) and g(3)g(3).
  3. Examine Option (B): We examine option (B): g(c)=5g(c) = 5 for at least one cc between 00 and 66. Similar to option (A), the interval [0,6][0, 6] is not the domain of the function gg, and thus this option is not relevant to the Intermediate Value Theorem.
  4. Examine Option (C): We examine option (C): g(c)=5g(c) = 5 for at least one cc between 3-3 and 33. Since 55 is a number between g(3)=0g(-3) = 0 and g(3)=6g(3) = 6, and the function gg is continuous on the interval [3,3][-3, 3], the Intermediate Value Theorem guarantees that there exists at least one cc in the interval [3,3][-3, 3] such that g(c)=5g(c) = 5.
  5. Examine Option (D): We examine option (D): g(c)=2g(c) = -2 for at least one cc between 3-3 and 33. Since 2-2 is not between g(3)=0g(-3) = 0 and g(3)=6g(3) = 6, the Intermediate Value Theorem does not guarantee that there exists a cc in the interval [3,3][-3, 3] such that g(c)=2g(c) = -2.

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