This is the answer 6x^2+15x+9
Answer:

Step-by-step explanation:
Given
--- driver 1
-- driver 2

Required
The time they passed each other
First, we determine the function of driver 2.
We have that:
and 
So, the function is:


The time they drive pass each other is calculated as:


Collect like terms


Divide through by 2t

Solve for -8t

Solve for t


Answer:
(Don’t take my word because I don’t want you to get the question wrong) I would go with a or b in my opinion. But choose the one you think is right.
Step-by-step explanation:
I do believe the answers in a row are A: x, B: 40, C: 12, D:y