QUESTION 1 == Let f(x, y) = 2xy +2. Find and sketch the level curves f(x,...

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QUESTION 1 == Let f(x, y) = 2xy +2. Find and sketch the level curves f(x, y) = 0, f(x, y) = 2, f(x,y) = 4, and f(x, y) = 6. You may draw all of them in the same plane. Let f(x,y) = 16 x 4y. QUESTION 2 (a). Find and sketch the domain of this function. (b). Find and sketch the level curves f(x, y) = 0, f(x, y) = 2, and f(x, y) may draw all of them in the same plane. (c). Find the range of this function. Let f(x,y) = (a). Find the domain of f. QUESTION 3 = 4. You (b). Find and sketch the level curves of f(x, y) = -1, f(x, y) = 0, and f(x, y) = 1. You may draw all of them in the same plane. Let f(x, y) = 1 QUESTION 4 (a). Find the domain of this function. (b). Find and sketch the level curves f(x,y) = 1, f(x,y) = 0, f(x,y) = 1, and f(x, y) 2. You may draw all of them in the same plane. = QUESTION 1 == Let f(x, y) = 2xy +2. Find and sketch the level curves f(x, y) = 0, f(x, y) = 2, f(x,y) = 4, and f(x, y) = 6. You may draw all of them in the same plane. Let f(x,y) = 16 x 4y. QUESTION 2 (a). Find and sketch the domain of this function. (b). Find and sketch the level curves f(x, y) = 0, f(x, y) = 2, and f(x, y) may draw all of them in the same plane. (c). Find the range of this function. Let f(x,y) = (a). Find the domain of f. QUESTION 3 = 4. You (b). Find and sketch the level curves of f(x, y) = -1, f(x, y) = 0, and f(x, y) = 1. You may draw all of them in the same plane. Let f(x, y) = 1 QUESTION 4 (a). Find the domain of this function. (b). Find and sketch the level curves f(x,y) = 1, f(x,y) = 0, f(x,y) = 1, and f(x, y) 2. You may draw all of them in the same plane. =