Find the linear approximation of the function f x 1 x at a 0 L x Use L x to approximate the numbers 0 9 and 0 99 Round your answers to four decimal places 0 9 0 99 Illustrate by graphing f and the tangent line y 2 1 2 1 2 3 1 2 3 4 WebAssign Plot 5 X 5 2 5 10 15 20