Features of Graphs of Functions

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1

^{What is the x- intercept of the line?}

• x = 1
• x = 2
• x = -1
• x = -2

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

What is the interval of decrease?

• (negative infinity, -2)
• (-2, infinity)
• (2, infinity)
• (negative infinity, 2)

What is the range of the function?

• all real numbers

• 0 to infinity

• 0 to 3

• -3 to 3

Determine the domain of the graph.

• (1, +∞)
• [1, +∞)
• (2, +∞)
• [2, +∞)

What is the interval of increase?

• (negative infinity, -2)
• (-2, infinity)
• (2, infinity)
• (negative infinity, 2)

Look at the function that is graphed, what are the maximum and minimum values of this function?

• maximum 15, minimum -5

• maximum 25, minimum -15

• maximum 25, minimum -10

• maximum 30, minimum -10

Identify the y-intercept

• (0, -3)

• (0, 1)

• (0, 3)

• (2, 1)

What is the axis of symmetry?

• x = - 4
• x = - 2
• x = 0
• x = 4