Find the requested composition or operation.f(x) = , g(x) = Find (fg)(x).

A. (2x - 3)()
B. (5x + 2)(2x - 3)
C. ()()
D. (5x + 2)(4x - 9)


Answer: C

Mathematics

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Evaluate the integral by making a substitution and then using a table of integrals.

A. ln  + cos t + C
B. ln  - sin t + C
C. ln  + sin t + C
D. ln  - sin t + C

Mathematics

Prove the identity.tan = 

What will be an ideal response?

Mathematics

Simplify.

A.
B. 17
C. - 
D.

Mathematics

Solve the problem.An experienced accountant can prepare a tax return in 8 hours. A novice accountant can do the job in 14 hours. How long will it take them to do the job working together?

A.  hr
B.  hr
C.  hr
D.  hr

Mathematics