Find f.
f ''(x) = 9 + cos x, f(0) = −1, f(7π/2) = 0

For the given function the integrated function is,

Given-

the given equation is,

Integrating both side, we get,

Integrating again both side, we get

From the given question we have,

use this value for the above function, we get,

from the given question we have,

With this equation and value of find the value of the .

Put the value of the and in the integrated function we get,

Hence, for the given function the integrated function is,

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i just took the test, the correct answer is .. 31.5 in.