d) F(x) = Sen X + Cos x , [ 0 , π/3] f(x) = Cos X – Sen X Punto Critico: Cos X = 0 , X = 90< > π 2 -Sen X = 0 X= 0 f( 0 ) = 0 + 1 = 1 Valor minimo Pro minimo = ( 0 , 1 ) f(x/2) = 1 + 0 = 0 f (π/3) = √ 3 + 1 =1.36 f (π/4 ) = √ 2 + √ 2 = 2√ 2 = √ 2 = 1.41 valor maximo Pro maximo (π/4 , √ 2 )