Find the absolute extrema of the function (if any exist) on each interval. (If an answer does not exist, enter DNE.) f(x) = x2 - 6x (a) [-1, 6] minimum (х, у) %3D maximum (х, у) %3D (b) (3, 7] minimum (х, у) 3D maximum (х, у) %3D (c) (0, 6) minimum (х, у) %3 maximum (х, у) %3D
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- An open–top box with a square base is to be constructed from two materials, one for the bottom and one for the sides. The volume of the box must be 18 cubic feet. The cost of the material for the bottom is 4 pesos per square foot, and the cost of the material for the sides is 3 pesos per square foot. Find the dimensions of the box such that the cost is at its minimum. Find the domain of the function, the critical points and include the second derivative test.Find all the critical points of the function f(x)=5x^6+12x^5-60x^4+56 . Use the First and/or Second Derivative Test to determine whether each critical point is a local maximum, a local minimum, or neither. You may use either test, or both, but you must show your use of the test(s). You do not need to identify any global extrema.Find absolute maximum and minimum points, if they exist, of f(x)=x^3+x^2-X+1 on the interval [-2,1/2]. Need to show work to find all critical points in the interval
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