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OpenStudy (anonymous):
f(x)= sqrt(x^4-16x^2) a)Find the domain of f. b) Find f '(x) c) Find the slope of the line normal to the graph of f at x = 5
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OpenStudy (istim):
Domain is: xer. You remember right? b) I was horrible at that part of advd functions. Is that liek the reciprocal? c) I guess you solve like a IROC
OpenStudy (anonymous):
what is xer?
OpenStudy (istim):
whatever "x" can be.
OpenStudy (istim):
In that case, it means x is an element of all real numbers.
OpenStudy (istim):
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