usc the ihter mediate valUc the or m to show that there i3 at Teast one solution between o and ņ for the equntion 0=-メtx can you theh fur ther h arrow down to determine if the Solutionis in (0,Ł) or (Eil)?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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usc the ihter mediate valUc the or m to show
that there i3 at Teast one solution between o
and ņ for the equntion
0=-メtx
can you theh fur ther h arrow down to
determine if the Solutionis in (0,Ł) or (Eil)?
Transcribed Image Text:usc the ihter mediate valUc the or m to show that there i3 at Teast one solution between o and ņ for the equntion 0=-メtx can you theh fur ther h arrow down to determine if the Solutionis in (0,Ł) or (Eil)?
Expert Solution
Step 1:Intermediate Value theorem

This theorem is a very intuitive one. If you're on one side of a river, and later you're on the other side of the river, then you must have crossed the river!

Theorem(Intermediate Value Theorem)

Let f:[a,b]Rf:[a,b]R be a continuous function, and c be a real number.

  • If f(a)<c and f(b)>c, then there exists an x[a,b] such that f(x)=c.
  • If f(a)>c and f(b)<c, then there exists an x[a,b] such that f(x)=c.

Note that the intermediate value theorem doesn't say anything about how many times f(x) takes the value c. There might be many values of x in the interval [a,b]such that f(x)=c. All the theorem says is that there is at least one.

If you're on one side of the river, and later you're on the other side of the river, then you must have crossed the river — you might have crossed it many times, but you certainly crossed it at least once!

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