Basic Functions and Their Graphs

1
Basic Functions and Their Graphs

• Section 1.2

2
Objectives

• Determine if an equation gives y as a function of
  x .
• Determine if a graph is a function.
• Calculate a function value shown in function
  notation from an equation.
• Calculate a function value shown in function
  notation from a graph.
• Determine the domain and range (where possible)
  of a function given as a graph.
• Calculate the x-intercepts and y-intercepts of a
  function from a graph.

3
Vocabulary

• function notation
• domain
• range
• x-intercept
• y-intercept

4
Find the x-intercept(s) and y-intercept(s).
5
Determine whether the equation defines y as a
function of x.
6
Is the following graph the graph of a function?
7
Is the following graph the graph of a function?
8
Is the following graph the graph of a function?
9
Determine the indicated values of the function
10
Determine the indicated values of the function h
shown in the graph