A student wants to zoom in on a zero of nonlinear function h using a calculator table. Table: x = -5, -4.5, -4, -3.5, -3, -2.5, -2; h(x) = 1.59, 0.86, 0.22, -0.38, -1, -1.67, -2.45 Which consecutive x-values should be used as the next smaller table window?