The answer i got was 49-9b^2
Answer:
800
Step-by-step explanation:
d=2r=2·400=800

b) It is a cubic function of 4 terms.
- In this case p(3) = t + 2 is synonymous for p = 3 + 2. Remember p is synonymous for y. So in this equation it is p = 5.

Hope this helps!