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OCW Scholar - Single Variable Calculus 8 Online
OpenStudy (anonymous):

f(x)=cos(4/x); what is the domain of x; identify any asymptotes; find the greatest zero for f(x) & express the answer in exact form

OpenStudy (anonymous):

the only asymptote is at x=0, the domain is all the real numbers but 0 i don't understand what do you mean by greatest zero,

OpenStudy (anonymous):

Shouldn't there be a horizontal asymptote?

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