To complete the square of x 2 - 4x, add __ . (pp. 99-101)

Lecture 1: Precalculus Algebra (Section 1.1) Read Section 1.1 from the textbook and be sure you know the following before class: 1. Function • domain and range • graph • zero • even/odd function • increasing/decreasing 2. Transform the graph of y = f(x) • f(x)+ c • f(x + c) • cf(x) • f(cx) •− f(x) • f(−x)