Use the product rule to multiply. Assume all variables represent positive real numbers. ? 

A. 14
B. 2
C. 196
D. 7


Answer: A

Mathematics

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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34

A.
B. 6
C. -729
D. 32

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Use an identity to write the expression as a single trigonometric function or as a single number.sin 8x cos 8x

A. 2 sin 4x
B. cos 4x
C.  sin 16x
D. cos 8x

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Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log? 300

A. 1.1447 B. 0.2007 C. 4.9827 D. 5.7038

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Divide and simplify. ÷ (6x2 - 25x + 25)

A.
B.
C.
D.

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