Test 1 Topics
Chapter 1

Section 1.1: What is a Function?

• The definition of a function

• Numerical, graphical, and symbolic examples

• The vertical line test

• Basic function concepts and language

Section 1.2: Rate of Change

• The average rate of change of a function over an interval

• Increasing and decreasing functions

• Rate of change in function notation

Section 1.3: Linear Functions

• Functions with a constant rate of change

• Construction of linear models

• Slope and the general form of a linear function

Section 1.4: Formulas for Linear Functions

• Interpreting the effects of different rates of change and the initial values on the graphs of linear functions

• Finding the formula representing a linear function from numerical data, the graph of a unction, or a verbal description

Section 1.5: Geometric Properties of Linear Functions

• Parallel and perpendicular lines

• Horizontal and vertical lines

• The intersection of two lines

Section 1.6: Fitting Linear Functions to Data

• Regression line

• Interpolation and extrapolation

• Correlation and causation

Review Problems (pg. 48)

• 7, 11, 13, 15, 17, 21, 23, 39