Answer:
B. 2
Explanation:
From the graph we get
(1). for
(2). for
(3). for
Now let us take the anti derivative of the second function, and we get
for
We find from the condition :
Thus we have
.
Now we find the anti derivative of the first function, and get
What we note now is that the function is continuous because the derivative of the functions is defined at and at .
since the function are continuous,
Thus we have
Now we can easily evaluate
Which is choice B.
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