Section 14.5: Problem 7 (1 point) Sketch the curve f(:l:, y) : 6 together with Vf and the tangent line at the given point. Then write an equation for the tangent line. 42:2 9y 2 96, (f, 8) Tangent line is ::= 6mg : 283, (8,6) Tangent line is Section 14.5: Problem 8 (1 point) The derivative of f(:E, y) at a point P is greatest in the direction off} : 2:: + 23' 21:. In this direction, the value of the derivative is 4. What is Vf at P? Vf|P : iii What is the derivative off at P in the direction of 11' : 211 + 29'? (DH f) P 2