Find a point c satisfying the conclusion of the MVT for the following function and interval: f(x) = x', [1, 4] (Use decimal notation. Give your answer to three decimal places.) 2.068 C =Find all points c satisfying the conclusion of the MVT for the function f(x) = 6x In(x) + 7 and interval [1, 6]. (Use decimal notation. Give your answer to three decimal places. Give your answer as comma-separated list.) C =