Problem 9. The variables x, y are implicitly related as: y? + a4 = 1. %3D Note the point p:= (V5-1, V 5-1) belongs to the graph of the function y(x). The slope of the tangent line to the graph of y at p is: V5-1 2 (B) -V1 V5-1 2 (C) 1- V5 (D) V5 - 1 V5-1 2 10

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