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Explain what the Mean Value Theorem for Integrals has to do with the Intermediate Value Theorem.

Short Answer

Expert verified

Value between faand fbat some point within the interval in Intermediate Value Theorem is the point cof the Mean Value Theorem.

Step by step solution

01

Step 1. Given Information

Mean Value Theorem for Integrals and Intermediate Value Theorem.

02

Step 2. Explanation

The objective is to explain what the Mean Value Theorem for Integrals has to do with the intermediate Value Theorem.

The Mean Value Theorem states that,

If fis a continuous function on a,b,then there exists some ca,bsuch that role="math" localid="1648657169384" fc=1b-aabfxdx

At this point c, the slope of the function fis equal to the average rate of change of fon a,b.

It is actually at x=cwhere the height of the function is equal to its absolute value.

The Intermediate Theorem states that,

If fis a continuous function on a,b, then the function takes the values faand fbat each end of interval, then it may also take any value between faand fbat some point within the interval.

And that point is the pointc of the Mean Value Theorem.

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Most popular questions from this chapter

For each function f and interval [a, b] in Exercises 27–33, use the given approximation method to approximate the signed area between the graph of f and the x-axis on [a, b]. Determine whether each of your approximations is likely to be an over-approximation or an under-approximation of the actual area.

f(x)=x2,[a,b]=[0,3]left sum with

a) n = 3 b) n = 6

Use integration formulas to solve each integral in Exercises 21–62. You may have to use algebra, educated guess and-check, and/or recognize an integrand as the result of a product, quotient, or chain rule calculation. Check each of your answers by differentiating.

x2+2x+22dx

Construct examples of the thing(s) described in the following. Try to find examples that are different than any in the reading.

(a) A function f for which the signed area between f and the x-axis on [0, 4] is zero, and a different function g for which the absolute area between g and the x-axis on [0, 4] is zero.

(b) A function f whose signed area on [0, 5] is less than its signed area on [0, 3].

(c) A function f whose average value on [−1, 6] is negative while its average rate of change on the same interval is positive.

Use the Fundamental Theorem of Calculus to find the exact values of the given definite integrals. Use a graph to check your answer.

0112exdx

Consider the region between f and g on [0, 4] as in the

graph next at the left. (a) Draw the rectangles of the left-

sum approximation for the area of this region, with n = 8.

Then (b) express the area of the region with definite

integrals that do not involve absolute values.

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