(a) Use Simpson's Rule with n = 4 to approximate the integral. (Use decimal notation. Give your answer to three decimal places.) 4 [g 12.461 0 \\/l+x2 (b) Estimate the error in using the approximation. (Use decimal notation. Give your answer to three decimal places.) 0.133 error 5 Incorrect (c) Determine the number of subintervals needed to guarantee that an approximation has an error less than or equal to 0.0001. (Use decimal notation. Give your answer as a whole number.) 24 Incorrect