Concept:
First eliminate the t from x=3t and then put it in y=t² and then graph it. As, limit of t is not restricted so t ∈ R(all real numbers)
As it is difficult to make graph here so I have solved it by hand and add all detail regarding it.
Every 2 weeks the amount of money needed goes down 3
2 to the third power is 6
Answer: F, D, B
Step-by-step explanation: