anonymous
  • anonymous
The problem to use the intermediate value theorem to show that there is a root of the given equation in the specified interval. sin(x)= x^2-x, (1,2) Can someone see if this is correct? f(x) = sin(x) - x^2 + x, then f is continuous since sin(x) and x^2 - x are continuous and their composition is also continuous. sin(x) = x^2 - x which is equivalent to showing that f(x) = 0. f(1) = 0.841 and f(2) = -1.091, 0 s lying between f(1) and f(2). Since f is continuous, there is a c in (1,2) such that f(c) = 0 there is a root to the equation sin(x) = x^2 - x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@jim_thompson5910 can you check my work for me? :)
anonymous
  • anonymous
I'm sure it is right, but I'm not this jim.
anonymous
  • anonymous
LOL! okay :) is there a specific format the answer needs to be in?

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Zarkon
  • Zarkon
I wouldn't use 'their composition'
Zarkon
  • Zarkon
'their difference' would be better
jim_thompson5910
  • jim_thompson5910
You are correct, all polynomials are continuous Sine is continuous, so sin(x) - x^2 + x is continuous f(1) = 0.841 and f(2) = -1.091 So because of the sign change and because f(x) is continuous, there is a number c such that f(c) = 0 since f(1) < 0 < f(2)
anonymous
  • anonymous
Thank you guys!

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