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 -2 y 3 y 2 X 5 10 15 -2-1 1 2 3 4 5 2 -1 -2