A fiunction, f(x,y), is described below in 3 different ways: with a formula, wit

Question

A fiunction, f(x,y), is described below in 3 different ways: with a formula, with a table and with a contour graph. However, one of these descriptions is inconsistent with the other 2. Which one is it? Function Formula: | f(x, y) . 3 x, 3 xy-x. 3 y, 4 y-41 Values of f(x, y): ylx 0. 0.51 1.5 2 2.5 3 3.5 4 0. 4 3.75 2 125 6 12.3 20 29.3 40 0.5 1.25-1.5 -0.25 2.5 6.75 12.5 19.8 28.5 38.8 1 3 225 3 5.25 9 14.3 21 29.3 39 1.5 8.75 7.5 7.75 9.5 128 17.5 23.8 31.5 40.8 2 16 143 14 15.3 18 22.3 28 35.344 2.5 24.8 22.5 21.8 22.5 24.8 28.5 33.8 40.5 48.8 3 35 32.3 31 31.3 33 363 41 47.3 55 3.5 46.8 43.5 41.8 41.5 428 45.5 498 55.5 62.8 460 56.354 53.3 5456.3 60 66.3 72 Contour Plot: 132 152 113 132 93?113

Explanation / Answer

The formula is inconsistent with the other two, I.e., Tabe and plot. Hence its option is (a)

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