Identify which of the twelve basic functions listed below fit the description given. y=x, y=x^(2),y=x^(3),y=|x|,y=(1)/(x),y=e ^(x),y=\sqrt(x),y=lnx, y=sinx, y=cosx, y=\int (x),y=(1)/(1+e^(-x)) The four functions with local minima. a. y=x^(2),y=sinx, y=cosx, y=|x| c. y=\sqrt(x),y=sinx, y=cosx, y=lnx b. y=sinx, y=cosx, y=|x|,y=(1)/(1+e^(-x)) d. y=x^(2),y=x^(3),y=sinx, y=cosx