Constructing Functions

A business purchases a computer for $1500. The computer decreases in value $200 each year when the new model is released. Which function models the situation?

• y=200x+1500

• y=1500x-200

• y=-200x+1500

• y=200x-1500

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Construct a linear model for the graph.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Construct a linear model for the table.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A factory produces 25 cars each day.  There are already 20 that have been completed.  Construct a linear model to represent the number of cars in the factory.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A charity has raised $400 and raises $300 more every week.  Construct a linear model to represent the money raised by the charity.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the rate of change for this point?

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What variable is the slope in y = mx + b?

• y

• m

• x

• b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper

• Nate’s service ($42 vs. $44) is cheaper

• Nate’s service ($38 vs. $40) is cheaper

• Beth's service ($42 vs. $44) is cheaper

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Who has a greater rate of change? (slope)

• Smith

• Harmon

• Macey

• None of the above

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

The function C(m) = 0.55m + 3.75 models the cost to take an m mile-long taxi ride from Quick Cabs. The table shows the cost to take a cab different distances from Get You There Cabs. Which statement is true about the two cab companies?

• Quick Cabs costs less per mile but has a higher fixed fee than Get You There Cabs.

• Quick Cabs costs more per mile but has a lower fixed fee than Get You There Cabs.

• Quick Cabs costs less per mile and has a lower fixed fee than Get You There Cabs.

• Quick Cabs costs more per mile and has a higher fixed fee than Get You There Cabs.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9