For this case we have:
Be a function of the form 
Where:

If we want to find f (-2), we substitute
, then:

Since we have a negative root, the result will be given by complex numbers. By definition:

So:

Answer:

144 girls , 1/3 = 72 , 2/3 = 144
She would have to study about 48 hours to get a score of 97.
Hopefully that helped! :)
Answer:D 237x/421x-515
Step-by-step explanation: