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Let 
g(x)=2^(x).
Can we use the mean value theorem to say the equation 
g^(')(x)=16 has a solution where 
3 < x < 5 ?
Choose 1 answer:
(A) No, since the function is not differentiable on that interval.
(B) No, since the average rate of change of 
g over the interval 
3 <= x <= 5 isn't equal to 
1 bar(6).
(C) Yes, both conditions for using the mean value theorem have been met.

Let g(x)=2x g(x)=2^{x} .\newlineCan we use the mean value theorem to say the equation g(x)=16 g^{\prime}(x)=16 has a solution where \( 3

Full solution

Q. Let g(x)=2x g(x)=2^{x} .\newlineCan we use the mean value theorem to say the equation g(x)=16 g^{\prime}(x)=16 has a solution where 3<x<5 3<x<5 ?\newlineChoose 11 answer:\newline(A) No, since the function is not differentiable on that interval.\newline(B) No, since the average rate of change of g g over the interval 3x5 3 \leq x \leq 5 isn't equal to 16 1 \overline{6} .\newline(C) Yes, both conditions for using the mean value theorem have been met.
  1. Recall Mean Value Theorem: First, let's recall the Mean Value Theorem (MVT). The MVT states that if a function ff is continuous on a closed interval [a,b][a, b] and differentiable on the open interval (a,b)(a, b), then there exists at least one cc in (a,b)(a, b) such that f(c)=f(b)f(a)baf'(c) = \frac{f(b) - f(a)}{b - a}. We need to check if g(x)=2xg(x) = 2^x satisfies these conditions on the interval [3,5][3, 5].
  2. Check g(x)g(x) Conditions: The function g(x)=2xg(x) = 2^x is a continuous and differentiable function for all real numbers, including the interval [3,5][3, 5]. Therefore, the first condition of the MVT is satisfied.
  3. Calculate Average Rate of Change: Next, we calculate the average rate of change of g(x)g(x) over the interval [3,5][3, 5]. This is given by (g(5)g(3))/(53)=(2523)/(53)=(328)/2=24/2=12(g(5) - g(3)) / (5 - 3) = (2^5 - 2^3) / (5 - 3) = (32 - 8) / 2 = 24 / 2 = 12.
  4. Compare Average Rate of Change: Now we compare the average rate of change, which is 1212, to the value given in the problem, which is 1616. Since 1212 does not equal 1616, the average rate of change of gg over the interval [3,5][3, 5] is not equal to 1616.
  5. Apply Mean Value Theorem: Since the average rate of change of gg on [3,5][3, 5] is not equal to 1616, we cannot guarantee that there is a point cc in (3,5)(3, 5) where g(c)g'(c) equals 1616, based on the Mean Value Theorem. Therefore, the correct answer is (B) No, since the average rate of change of gg over the interval 3x53 \leq x \leq 5 isn't equal to 1616.

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