Answer:
16x^2 + 50x + 25 would be your answer.
Is there a picture you could include
Answer: 
Step-by-step explanation:

Answer:
This function is an exponential.
Step-by-step explanation:
Exponentials are the fastest growing functions. In this case, the values in table (C) exhibit an exponential growth in that for every increase in x there is a tripling of the previous value. This would correspond to x being a power of the base 3.