Linear Functions

Use the given function or the graph to find the average rate of change

• 3

• -3

• 3/2

• -1/3

f(x) = 2x² + 12x + 16
What is the average rate of change of f(x) on the interval [-3, -2].

• 2
• 1/2
• -2
• -1/2

f(x) = 2x² + 12x + 16
What is the average rate of change of f(x) on the interval [-3, -2].

• 2
• 1/2
• -2
• -1/2

Which of the following intervals has the largest average rate of change?

• [13,14]
• [13, 17]
• [16, 17]
• [16, 19]

What is the average rate of change of [1, 5]?

• -0.65
• -0.75
• 3.75
• 4

What is Mrs. Gordon's rate from 0 to 2 seconds?

• 2.5 feet per second
• .4 feet per second
• 5 feet per second
• .2 feet per second

• y = 2/3x - 1

• y = 2/3x + 1

• y = -2/3x - 1

• y = -2/3x + 1

• y = -1/4x

• y= -4x

• y = 1/4x

• y = -4

• y = 3x + 4

• y = -3x + 4

• y = 1/3x + 4

• y = - 1/3x + 4

What is the equation of a line with a slope of 4 and a y-intercept of 2?

• y = -4x + 2

• y = -2x + 4

• y = 4x + 2

• y = 2x + 4