calculus:

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1. [-/0.14 Points] DETAILS SESSCALCZ 3.6.006. | MY | Use Newton's method with the specied initial approximation X1 to nd X3, the third approximation to the root of the given equation. (Round your answer to four decimal places.) %X3+%x2+7=0, x1=3 X3: Need Help? _' 2. [-I0.14 Points] DETAILS SESSCALCZ 3.6.009. | MY | Use Newton's method with initial approximation x1 = 2 to find x2, the second approximation to the root of the equation X3 + x + 8 = 0. (Round your answer to four decimal places.) X2: Need Help? Use Newton's method to approximate the given number correct to eight decimal places. i/ 23 Need Help? 4. [-/0.14 Points] DETAILS SESSCALCZ 3.6.013. | MY I Use Newton's method to approximate the indicated root of the equation correct to six decimal places. The root of x4 2x3 + 8X2 a = o in the interval [1, 2] x: Need Help? 1. [l0.5 Points] SESSCALCZ 3.5.044. ASK YOUR TEACHER If (:00 = 19000 + 500x 2.8)(2 + 0J.)D4x3 is the cost function and p(x) = 4100 7x is the demand function, find the production level that will maximize prot. (Hint: If the profit is maximized, then the marginal revenue equals the marginal cost.) units Submit Answer 2. [-l0.5 Points] SESSCALCZ 3.6.010. ASK YOUR TEACHER Use Newton's method with initial approximation x1 : 1 to find x2, the second approximation to the root of the equation x4 x 3 0. (Round your answer to four decimal places.) x2