know is this is 64?creó piensas jdnd
For this case we have a function of the form
, where 
We must find the value of the function when
, that is, we must find f (3). So:

So
Answer:

7 times, means 7 x intercepts, means 7th degree
answer is 7th degree
The answer is 41 but if you take it step by step you will get 140