Use a graph and/or level curves to estimate the local maximum and minimum values and saddle points of the function. (Do this on paper. Your instructor may ask you to turn in this work.) Then use calculus to find these values precisely. (Enter NONE in any unused answer blanks. Sort your answers in increasing order, first by x - coordinate, then by y coordinate.) f(x, y) = x² + y² + x-2y-2+3 and Find the local maximum and minimum values and saddle point(s) of the function. If you have three dimensional graphing software, graph the function with a domain and viewpoint that reveal all the important aspects of the function. (Enter NONE in any unused answer blanks.) f(x, y) = 7 sin(x) sin(y), -# < X < 1, -π

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Please solve 2B

I hope this would not take an hour to answer. Answer with complete solutions and graph. Thank you.    Which of the following statements is/arw NOT true about the behavior of the curve x³-6x²+11x-y=6? Hint: Express y as a function of x; that is, y = f(x)  (Select all that apply.) Option 1: At the extreme left, curve is below the x-axis.  Option 2: The value of y is negative ar thw extreme left of the curve then changes its sign when crosses the y-axis.  Option 3: As the value of x increases indefinitely and positive in sign, y becomes large in magnitude but negative in sign.  Option 4: The curve is above the x-axis for any values of x in the interval (1,2) because one factor of f(x) is positive and the other two factors are negative.