6) MATH 1524 7.1.4c [132821858 ] A function, 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? VT Math Emporium Virginia Tech VT Canvas VT Math Dept VT OneCampus VT HokieSpa VT 4H- Function Formula: f(x, y) = 3x + 2xy-x+3y + 1 Values of f(x, y): y\x 0. 0.5 1.5 2 2.5 3 3.5 4 0. 1 1.25 3 6.25 11 17.3 25 34.3 45 1.75 1.25 2.25 4.75 8.75 14.3 21.3 29.8 39.8 0.5 1 4 2.75 3 4.75 8 12.8 19 26.8 36 1.5 7.75 5.75 5.25 6.25 8.75 12.8 18.3 25.3 33.8 2 13 10.3 9 9.25 11 14.3 19 25.3 33 13.8 14.8 17.3 21.3 26.8 33.8 2.5 19.8 16.3 14.3 3 23.8 21 19.8 20 21.8 25 29.8 36 28 37.8 32.8 29.3 27.3 26.8 3.5 27.8 30.3 34.3 39.8 4 49 43.3 39 36.3 35 35.3 37 40.3 45 Contour Plot: 3 2- O 0 a) The formula is inconsistent with the others. Ob) The table is inconsistent with the others. Oc) The contour plot is inconsistent with the others 43 49 3743 31 37 25 31 1925 13 19 7 13 17