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9.06 Step graphs

Interactive practice questions

The graph shows the amount (in dollars) an internet cafe charges its customers.

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a

How much does Parvaneh have to pay if she uses their internet service for $2$2 hours and $40$40 minutes?

b

How much does Parvaneh have to pay if she uses their internet service for $4$4 hours?

c

What is the maximum number of hours that Parvaneh can use for $\$15$$15?

Easy
1min

The graph shows the starting times of a shot put event for participants of different age groups.

Easy
< 1min

The graph shows the amount (in dollars) a lawyer charges for consultations.

Easy
1min

The graph shows the cost (in dollars) of a mobile phone call as a function of the length of the call.

Easy
4min
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Outcomes

2.3.9

sketch piece-wise linear graphs and step graphs, using technology when appropriate

2.3.10

interpret piece-wise linear and step graphs used to model practical situations; for example, the tax paid as income increases, the change in the level of water in a tank over time when water is drawn off at different intervals and for different periods of time, the charging scheme for sending parcels of different weights through the post

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