The graph shows the amount (in dollars) an internet cafe charges its customers.
How much does Parvaneh have to pay if she uses their internet service for $2$2 hours and $40$40 minutes?
How much does Parvaneh have to pay if she uses their internet service for $4$4 hours?
What is the maximum number of hours that Parvaneh can use for $\$15$$15?
The graph shows the starting times of a shot put event for participants of different age groups.
The graph shows the amount (in dollars) a lawyer charges for consultations.
The graph shows the cost (in dollars) of a mobile phone call as a function of the length of the call.