anonymous
  • anonymous
Need help!! Q.13.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
\[f(x)=(x+2x ^{3})^{4}\] a=-1
anonymous
  • anonymous
@myko @Champion
anonymous
  • anonymous
@cwrw238

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anonymous
  • anonymous
what's the question?
anonymous
  • anonymous
Us the definition of continuity and the properties of limits to show that the function is continuous at the given number a.
anonymous
  • anonymous
you have to show that: \[\lim _{x->-1} f(x)=f(-1)\]
anonymous
  • anonymous
ohh so all i hv to do is to plug in -1 in the f(x) function?
anonymous
  • anonymous
that for f(-1). Later use the fact that lim(x+2x^3) = lim x + lim 2x^3 and lim x->a f(g(x))= f(g(a))
anonymous
  • anonymous
so is it 81?
anonymous
  • anonymous
it doesn't asks you for the value, it just say "show it continuous"
anonymous
  • anonymous
oh okay! thank you

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