6. [-/2 Points] DETAILS SCALCET8 14.4.509.XP. Find the linear approximation of the function below at the indicated point. f(x, y) = V 14 - x2 - 4y2 at (1, 1) f ( x, y ) = Use this approximation to find f(0.93, 1.08). (Round your answer to three decimal places.) f(0.93, 1.08) ~ Need Help? Read It Watch It 7. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCET8 14.4.042. Suppose you need to know an equation of the tangent plane to a surface S at the point P(4, 1, 4). You don't have an equation for S but you know that the curves r1(t) = (4 + 2t, 1 - t2, 4 - 5t + +2) r2(U) = (3+ 42, 243 - 1, 24+ 2) both lie on S. Find an equation of the tangent plane at P. 15x - 7y + 6z = 62 X Need Help? Read It