Compare Functions

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

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

Tags

CCSS.HSF-LE.A.1B

Find the rate of change

• 3
• -3
• 20
• Not a constant slope/Non-Linear

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the initial value in this equation?
y=8x+6

• 8
• 6

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the rate of change in the equation?
y=8x+6

• 8
• 6

Tags

CCSS.HSF-LE.A.1B

Tim bought a new phone.  He paid $125 on the day of purchase, then $50 per month until it was paid off. What is the initial value in this situation?

• 50
• 125

Tags

CCSS.HSF.LE.B.5

Tim bought a new phone.  He paid $125 on the day of purchase, then $50 per month until it was paid off. What is the rate of change in this situation?

• 50
• 125

Tags

CCSS.HSF-LE.A.1B

Which function has the GREATEST rate of change?

• 
• 
• 
• 

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which function has the GREATEST initial value?

• 
• 
• 
• 

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is a possible scenario for the given table?

• You have $8 and get $5 more each day!

• You have $16 and get $2 more each day!

• You have $2 and get $6 more each day!

• You have $6 and get $2 more each day!

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2