Estimate the value of integral subscript 0 superscript 2 fraction numerator 1 over denominator x squared plus 1 end fraction d x by using n equals 4 subintervals of equal width using the trapezoidal rule. Round the final result to five decimal places. a.) almost equal to 2.20769 b.) almost equal to 2 c.) almost equal to 1.10385 d.) almost equal to 1.40385