The graph of the function f is given. y y = f\x) 4 2 The x y coordinate plane is given. The graph of the curve f(x) goes down and right becoming more steep, going through the following approximate points. (0, 9) (1, 8.9) (2, 8.8) (3, 8.5) (4, 8.2) (5, 7.8) (6, 7.3) (7, 6.6) (8, 5.9) (9, 5.1) (10, 4.1) (11, 2.8) (12, 1) CO

. The Definition of e Illustrate the definition of the number eby graphing the curve y  11  1/x2xand the line y  e onthe same screen, using the viewing rectangle 30, 404 by 30, 44.

Identify the vertex, vertical intercept, and the point symmetric to the given point. vertex (t, r) =        vertical intercept (t, r) =        point symmetric to  (t, r) = (−1, −14) (t, r) =

Draw the level curves and the graph of the following functions: ?: ?2 → ?1. ? (?, ?) = ? + ? − 2 2. ? (?, ?) = ?2 + 4?2 3. f (x, y) = −x2y2