Comparing Functions

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Find the equation for 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

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Who weighed more at the beginning of the show?

• Valerie
• Oscar
• Mrs. Conte
• They weighed the same

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Who has the greater rate of change?

• Tyler has the greater rate of change with 2/3
• Aubri has the greater rate of change with 3/2
• Tyler has the greater rate of change with 3/2
• They have the same rate of change.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Equation A:   y = 2x + 3
Equation B:   y = 3x - 3
Which equation has a higher slope? 

• Equation A
• Equation B
• They have the same slope

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9