Find an equation of the tangent line to the graph of the function given below at the given point. 6x2 − 4xy + 4y2 − 14 = 0, (1,2) (The coefficients below are given to two decimal places.) y = 0.33x+2.33 y = 2.67x−0.67 y = −0.33x+2.33 y = −0.33x+0.67 y = 2.67x+0.67