Analyzing Graphs

Analyzing Graphs

Poll

Which phone is more expensive to buy when it is first released?

• Phone A

• Phone B

Open Ended

How does the value of phone A change with every passing year?

Open Ended

How does the value of phone B change with every passing year?

Open Ended

Which one is falling in value more quickly? Explain or show how you know.

Fill in the Blanks

If the phones continue to depreciate by the same factor each year, what will the value of phone A be 4 years after its initial release?

Fill in the Blanks

If the phones continue to depreciate by the same factor each year, what will the value of phone B be 4 years after its initial release?

Draw

For each cell phone, write an equation that relates the value of the phone in dollars to the years since release,  Use A for the value of Phone A and B for the value of Phone B.