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math456Best ResponseYou've already chosen the best response.0
\[f(x)=(x+2x ^{3})^{4}\] a=1
 one year ago

math456Best ResponseYou've already chosen the best response.0
Us the definition of continuity and the properties of limits to show that the function is continuous at the given number a.
 one year ago

mykoBest ResponseYou've already chosen the best response.1
you have to show that: \[\lim _{x>1} f(x)=f(1)\]
 one year ago

math456Best ResponseYou've already chosen the best response.0
ohh so all i hv to do is to plug in 1 in the f(x) function?
 one year ago

mykoBest ResponseYou've already chosen the best response.1
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))
 one year ago

mykoBest ResponseYou've already chosen the best response.1
it doesn't asks you for the value, it just say "show it continuous"
 one year ago
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