a cellphone data plan costs $0.05 per gigabyte and has a $30 initial charge. what will be the total cost of the cellphone data plan after using x gigabytes of data
Total cost = $30 + $0.05*x
For example, if you used 10 gigabytes of data, the total cost would be:
Total cost = $30 + $0.05*10
Total cost = $30 + $0.50
Total cost = $30.50
Therefore, the total cost of the cellphone data plan after using x gigabytes of data can be calculated using the formula provided.