For  and , find 

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? 



A.
B.
C.
D.
E.

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Answer: B

Mathematics

Find the second derivative.y =  - 9

A. 19x
B. x²
C. x
D. 19x - 9

Graph the function.G(x) = 

A.

B.

C.

D.

Given that p and q each represents a simple statement, write the indicated symbolic statement in words.p: The fan is working.q: The bedroom is stuffy.p ? ~ q

A. The fan is not working or the bedroom is stuffy. B. The fan is working or the bedroom is not stuffy. C. If the fan is working, then the bedroom is not stuffy. D. If the fan is not working, then the bedroom is stuffy.

Solve the problem.If two sound sources at the same volume are equidistant from a microphone, the pressure on the microphone is given by p = a cos ?1t + a cos ?2twhere a, ?1, ?2 are constants and t is time. Write p as a product of cosine functions.

What will be an ideal response?