Answer:
You cannot simplify this problem down anymore; it is at its simplest form.
Step-by-step explanation:
You cannot add together x^4 and x^2 due to the simple fact that they do not share similar exponents.
For example you could add together x^4 and x^4 to get 2x^4. But you cannot add x^4 and x^2.
Answer: the third option
Step-by-step explanation
It is a linear graph that goes down $1500 every hint so at 8 hints the contestant will win $0.