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

Let f f be a continuous function on the closed interval [5,0] [-5,0] , where f(5)=0 f(-5)=0 and f(0)=5 f(0)=5 .\newlineWhich of the following is guaranteed by the Intermediate Value Theorem?\newlineChoose 11 answer:\newline(A) f(c)=2 f(c)=-2 for at least one c c between 00 and 55\newline(B) f(c)=2 f(c)=2 for at least one c c between 00 and 55\newline(C) f(c)=2 f(c)=-2 for at least one c c between 5-5 and 00\newline(D) f(c)=2 f(c)=2 for at least one c c between 5-5 and 00

Full solution

Q. Let f f be a continuous function on the closed interval [5,0] [-5,0] , where f(5)=0 f(-5)=0 and f(0)=5 f(0)=5 .\newlineWhich of the following is guaranteed by the Intermediate Value Theorem?\newlineChoose 11 answer:\newline(A) f(c)=2 f(c)=-2 for at least one c c between 00 and 55\newline(B) f(c)=2 f(c)=2 for at least one c c between 00 and 55\newline(C) f(c)=2 f(c)=-2 for at least one c c between 5-5 and 00\newline(D) f(c)=2 f(c)=2 for at least one c c between 5-5 and 00
  1. The Intermediate Value Theorem: The Intermediate Value Theorem states that if ff is a continuous function 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.
  2. Applying the Theorem: Given that ff is continuous on the closed interval [5,0][-5, 0], f(5)=0f(-5) = 0, and f(0)=5f(0) = 5, we can apply the Intermediate Value Theorem to find a value cc in the interval (5,0)(-5, 0) such that f(c)f(c) is any value between 00 and 55.
  3. Evaluating Given Options: We need to determine which of the given options is guaranteed by the Intermediate Value Theorem. Let's evaluate each option:\newline(A) f(c)=2f(c) = -2 for at least one cc between 00 and 55: This option is not possible because the interval [0,5][0, 5] is not within the domain of ff given by [5,0][-5, 0].
  4. Option (A): (B) f(c)=2f(c) = 2 for at least one cc between 00 and 55: This option is also not possible for the same reason as option (A); the interval [0,5][0, 5] is not within the domain of ff given by [5,0][-5, 0].
  5. Option (B): C)f(c)=2C) f(c) = -2 for at least one cc between \$\(-5\)\) and \$\(0\)\): This option is not possible because the values of \(f\) on the interval \[{-5, 0}\] are between \$\(0\)\) and \$\(5\)\), and \$\(-2\)\) is not between these values.
  6. Option (C): (D) \(f(c) = 2\) for at least one \(c\) between \(-5\) and \(0\): This option is possible because \(2\) is a value between \(f(-5) = 0\) and \(f(0) = 5\). By the Intermediate Value Theorem, there must be at least one \(c\) in the interval \((-5, 0)\) such that \(f(c) = 2\).

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