Answer:
I think the answer is 169
Answer:
first one
Step-by-step explanation:
Absolute value functions usually have that shape. The only absolute value function out of all of the answer choices is the first one.
Separating variables, we have

Integrate both sides.


Given that
, we find

Then the particular solution is



and because
, we take the negative solution to accommodate this initial value.

A and D is the answers that I would choose
8.5 the answer is and replace the areas