dy For the following composite function, find an inner function u = g(x) and an outer function y = f (u) such that y=f(g(x)). Then calculate dx y=√√√9+7x .…... Select the correct choice below and fill in the answer box to complete your choice. dy d d O A. = (√u)•(9+7x)= dx du dy d d O B. (√u) • — (7x) = dx du dy d d O C. = (9+7u)(√x)= dx du dx =

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