Use the intermediate valve theorem to determine if the polynomial f(x)=x^3-4x^+3x+2 has a zero Ci in the interval [-3,4].

a). No because f(-3)*f(4)<0
b). Yes because f(-3)*f(4)<0
c). Yes because f(-3)*f(4)>0
d). No because f(-3)*f(4)>0