Section 14.4: Tangent Planes
Exercise 19
Given that \(f\) is a differentiable function with \(f(2, 5) = 6\), \(f_x(2, 5) = 1\), and \(f_y(2, 5) = -1\), use a linear approximation to estimate \(f(2.2, 4.9)\).
Given that \(f\) is a differentiable function with \(f(2, 5) = 6\), \(f_x(2, 5) = 1\), and \(f_y(2, 5) = -1\), use a linear approximation to estimate \(f(2.2, 4.9)\).