Perform the indicated operations and simplify. Assume that all variables represent positive real numbers.6 + 2

A. 56
B. 8
C. 8
D. 12


Answer: C

Mathematics

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Use the given information to find the exact value of the trigonometric function.cos ? = - , sin ? > 0Find cos .

A.
B.
C. - 
D. - 

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Use the inverse trig functions to express the angle in terms of the indicated unknown side. Use one of the inverse trig functions csc-1 or sec-1 to express angle A in terms of c.

A. A = csc-1 
B. A = sec-1 
C. A = csc-1 
D. A = sec-1 

Mathematics

Determine whether the function satisfies the hypotheses of the Mean Value Theorem for the given interval.g(x) = x3/4,

A. No B. Yes

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Multiply.(6 + 6i)(2 + 4i)

A. 24i2 + 36i + 12 B. -12 - 36i C. -12 + 36i D. 36 - 12i

Mathematics