Answer:
D
Step-by-step explanation:
1. The domain is all x values for the function.
2. Since the line starts at the x value of 3, it is included and since it goes to the right, it also includes all the values greater than 3.
3. Therefore, x>_3
Answer:
I think that the Linear system of equations can be used to find the cost.
Step-by-step explanation:
Answer is 7950,72. You can solve it's task on calculator.