MAT250 General Calculus I: Final Exam Questions and Answers Latest 2023/2024 - Straighterline
A 4 ft. long wire could be cut into two pieces. One piece is bent into a circle and the other into a square. What would the length of the side of the square need to be if the sum of the areas is a maximum? Select one: a. 0 ft b. 0.5 ft c. d. 1 ft The correct answer is: 0 ft 4/18/2018 Graded Exam 2 Question 2 Correct 5.00 points out of 5.00 Question 3 Correct 5.00 points out of 5.00 What is the derivative of f(x) = 2 ? Select one: a. 2 b. 2 ln 2 c. 2 d. 2 The correct answer is: 2 ln 2 Select one: a. e + xe + 2x b. 2e + x c. xe + x d. xe + 2x The correct answer is: e + xe + 2x x x−1 x x x+1 x x x x x x x x 4/18/2018 Graded Exam 2 Question 4 Correct 5.00 points out of 5.00 Select one: a. b. c. d. The correct answer is: 4/18/2018 Graded Exam 2 Question 5 Correct 5.00 points out of 5.00 Question 6 Incorrect 0.00 points out of 5.00 Select one: a. b. c. d. The correct answer is: A point moves along the x-axis with its position, x, at time t given by x (t) = 2t − 15t + 36t + 5, t 0. Find all values of t for which the point is moving to the right and its velocity is decreasing. Select one: a. 0 t 2 b. 0 t 2.5 c. 2 t 2.5 d. 3 t The correct answer is: 0 t 2 3 2 4/18/2018 Graded Exam 2 Question 7 Incorrect 0.00 points out of 5.00 Question 8 Correct 5.00 points out of 5.00 A man 6 feet tall walks at a rate of 5 ft / sec away from a light that is 15 feet above the ground. When he is 10 feet from the base of the light, at what rate is the length of his shadow changing? Select one: a. b. c. d. The correct answer is: What is the slope of the line tangent to the curve x + y = 2x y at the point (1, 1)? Select one: a. 1 b. −1 c. 0 d. none of the above
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