Comparing Different Representations

Which models represent a function?

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Mathematical Equivalence

ON

An ice rink rents skates by the hour. The graph shows the cost for renting child skates. The cost is a function of the time in hours.

What is the rate of change in this situation?

Mathematical Equivalence

ON

• Child skates cost more.

• Adult skates cost more.

• Both type of skates cost the same.

• They don't cost anything to rent.

Reorder the lines in order from steepest to the least steep.

• Line C

• Line A

• Line B

When comparing two graphs, how can you determine which one has the greater rate of change.

• The steeper the line, the greater rate of change.

• The less steep the line, the greater rate of change.

• Compare the y-intercepts.

• Compare the x-intercepts.

Who has the greater rate of change?

• CJ has a greater rate of change with 13/2
• Holland has a greater rate of change with 6
• CJ has a greater rate of change with 2/13
• They have the same rate of change.

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.

Who has the greater rate of change?

• Braden has the greater rate of change with 60/3
• Omar has the greater rate of change with 100
• Braden has the greatest rate of change with 60
• They both have the same rate of change

Who has the greater rate of change?

• Hunter has the greater rate of change.
• Casey has the greater rate of change 
• They have the same rate of change