Asked by tony

Give an appropriate answer.

Let lim x→6 f(x)=81. Find lim x→6 4^√f(x).
Answered by Steve
that would be 4^√81 = 4^9

Was there some reason you didn't just plug in 81 for f(x)?
Answered by tony
4^9 = 262144 Is this the answer!!

I got 3.
Answered by Steve
So, how did you get 3? Maybe I can show where you went wrong.
Answered by Steve
Ah. I see where I misread your question. You apparently meant "4^√" to mean 4th root (∜).

In that case, the answer is indeed 3.
Answered by tony
My fault. Sorry about that. Thank you
Answered by tony
Also suppose If lim x→6 had been lim x→5 would that had been changed the answer. Or it would be same.
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