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no need to find the derivative.

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Chain Rule: f(x)=sqrt(x), g(x)=(cos)x what is f(g(x)) and g(f(x)).

composite-function

asked Jul 14, 2013 in ALGEBRA 1 by anonymous Apprentice

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1 Answer

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f(x)=sqrt(x), g(x)=(cos)x

f(g(x))=f(cosx)

=sqrt(cosx)

g(f(x))=g(sqrtx)

=cos(sqrtx)

answered Jul 14, 2013 by bradely Mentor

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