Use the IVT to show f(x)=x4−3x3+1f(x) = x^4 - 3x^3 + 1f(x)=x4−3x3+1 has a root in which interval?
(0,1)(0, 1)(0,1)
(1,2)(1, 2)(1,2)
(3,4)(3, 4)(3,4)
(2,3)(2, 3)(2,3)