Evaluate the step function for the given input values. g(x) = startlayout enlarged left-brace 1st row 1st column negative 4, 2nd column negative 3 less-than-or-equal-to x less-than negative 1 2nd row 1st column negative 1, 2nd column negative 1 less-than-or-equal-to x less-than 2 3rd row 1st column 3, 2nd column 2 less-than-or-equal-to x less-than 4 4th row 1st column 5, 2nd column x greater-than-or-equal-to 4 endlayout