2. As a regular factory worker, a man receives a fixed salary of Php6,000 monthly. He augments his income by having a part-time job that pays him Php50 per hour of work. Express the man's total...

2. As a regular factory worker, a man receives a fixed salary of Php6,000 monthly. He augments his income by having a part-time job that pays him Php50 per hour of work. Express the man's total monthly income as a function of the length of time he works in his part-time job.

3. At 10% per annum, an initial bank deposit of Php1,000 becomes f(t) = 1000(1.1), in pesos, after t years, if no withdrawals are made. Find the total amount after 5 years.