mr. Otik was charged php 350 monthly for a certain mobile plan which includes 300 text messages. messages in excess of 300 messages are additionally charged php 1.00 each.represent the monthly cost...

mr. Otik was charged php 350 monthly for a certain mobile plan which includes 300 text messages. messages in excess of 300 messages are additionally charged php 1.00 each.represent the monthly cost for text messaging using the function g (t), where t is the number of messages sent in a month.