Final answer:
The function y=10x + 20 represents the amount of money (y) you will earn when you work x hours at your job. It is a continuous function.
Step-by-step explanation:
The function y=10x + 20 represents the amount of money (y) you will earn when you work x hours at your job. In this function, x can take on any value, as it represents the number of hours worked, which can be a fraction or a whole number. Because the function can be graphed as a straight line without any gaps or jumps, it is considered a continuous function.