anonymous
  • anonymous
If i use the formula for tangent line approximation F(x)=f(a)+f'(a)(x-a) and i use the function x^2 i end up with F(x)=x^2+2x(x-a) what would i use for my (x-a)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
the smaller your a, the better your approximation
anonymous
  • anonymous
usually, with problems like that, our teacher would ask the error, based on the a used for a given interval
anonymous
  • anonymous
So a can be any number i pick?

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anonymous
  • anonymous
it sounds like something is missing from the question to me
anonymous
  • anonymous
Well the goal is to come up with three problems to give to the teacher (don't ask me why) but this is the first time i have ever seen this stuff.
anonymous
  • anonymous
Ok, so linear approximation, is F(x0) + F'(x0)(x-x0), (x-x0) is deltax, or change in x. the smaller the change, the better the accuracy (usually)
anonymous
  • anonymous
maybe you can choose functions whose accuracy changes drastically depending on what delta you choose
anonymous
  • anonymous
it's not really about the a or x0 that you use, but that delta x
anonymous
  • anonymous
Ok thanks man i think i understand now

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