I think that the answer is 8
if you want to check if it is right input 8 in place of b
I think its the second choice
Answer:
The exponent is 2, so the degree is 2
First, we can write the equation of the line using the information provided:

Now, we can create a table:
Finally, we can graph the line:
So it would be 10-2x . X would be the months and it would be -2 because she uses that much per month