See attached picture.
Break the shape up into 4 different shapes and find the seperate areas then add them together.
Answer = C. 146
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The answer is B i had this problem.
Please be a little more specific on what you want to ask.
I can be of some help.
If
and
, separate variables in the differential equation to get

Integrate both sides:

Use the initial condition to solve for
:

Then the particular solution to the initial value problem is

(A)