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Which statement contains a common error or mistake with functions? double AreaOfCircle(double radius) { const double pi = 3.14159265; double area = 0.0; double temp = 0.0; temp = pow(radius, 2); area = pi * temp; return radius; } Select one: O a. const double pi = 3.14159265; O b. temp = pow(radius, 2); O c. return radius; d. No errors or mistakes