Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.

A. y + c
B.
C. (y + c)11
D.


Answer: A

Mathematics

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Find the exact value by using a half-angle identity.cos 

A. -  
B.  
C. -  
D.  

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Determine the antilog in base 10 of the given number. Round to four decimal places.1.6085

A. 4.9945 B. 40.5976 C. 0.2064 D. 0.4754

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Find the derivative.f(x) = 5 +  - 5 + 4

A. x-1/2 + x-2/3 + x-3/4 + x-4/5
B. x1/2 + x2/3 - x3/4 + x4/5
C. x-1/2 + x-1/3 - x-1/4 + x-1/5
D. x-1/2 + x-2/3 - x-3/4 + x-4/5

Mathematics

Solve the compound inequality. Graph the solution set and write the solution in interval notation.x > 4 or x < 4

A. (4, ?)

B. (-?, 4) ? (4, ?)

C. (-?, 4)

D. {4}

Mathematics