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April 20, 2014

Homework Help: calculus

Posted by maura (urgent!!) on Wednesday, September 12, 2012 at 9:53pm.

Can someone please help me with these two? im so lost and i really appreciate it if someone could show me what to do!

1) To evaluate
lim x→infinity sqrt (x^2 + 4)
first consider that as x becomes infinitely large, x^2+4 -> _____



2)Find lim x→ infinity f(x)if,
for all x > 1,

(6e^x − 17)/3e^x < f(x) < 2sqrt(x)/ sqrt (x − 1)

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