Comparing Functions: Key Concepts and Applications

Which forms of functions are discussed in the introduction?

• Equation, graph, table, and description

• Equation, graph, and table only

• Graph, table, and description only

• Equation and graph only

In the equation y = mx + b, what does the 'b' represent?

• The x-intercept

• The rate of change

• The y-intercept

• The slope

How do you find the y-intercept from a graph?

• Find the lowest point on the graph

• Find the highest point on the graph

• Look where x is equal to 0

• Look where y is equal to 0

What is the y-intercept of function C given in the table?

• (0, -2)

• (0, 1)

• (0, 2)

• (0, -7)

What is the slope of the equation y = -3x + 2?

• 2

• -3

• -2

• 3

How do you calculate the slope from a graph?

• Difference of x and y values

• Sum of x and y values

• Change in y over change in x

• Change in x over change in y

What is the slope of function B given in the graph?

• 4

• 3

• 2

• 1

What is the slope of function C given in the table?

• 1

• 4

• 2

• 3

What is the slope of the linear function that includes the points (0, -2) and (3, 7)?

• 3

• 2

• 4

• 5

Which function has the greatest slope?

• Function A

• Function B

• Function C

• Function D