For each of the functions yf(x) described below, find f(). (a) x 1 0 1 2 3 f(x) (b) yx2 (c) -10 -8 -6 -4 -2 2 4 6 8 10 -10 -8 -6 -4 -2 2 4 6 8 10 x y A coordinate system has a horizontal x-axis labeled from negative 10 to 10 in increments of 1 and a vertical y-axis labeled from negative 10 to 10 in increments of 1. A U-shaped curve that opens upward passes through the following points: (negative 1, 6); (0, 1); (1, negative 2); (2, negative 3); (3, negative 2).