Factor the sum or difference of two cubes completely.729x3 + 1
A. (9x + 1)(81x2 - 9x + 1)
B. (9x + 1)(81x2 + 1)
C. (9x + 1)(81x2 - 9x - 1)
D. (9x + 1)(81x2 + 9x + 1)
Answer: A
Mathematics
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Evaluate the function.Find f(k) when f(x) = 3x2 + 4x + 5
A. 3k2 + 16k + 5 B. 3k2 + 4k + 25 C. 3k2 + 4k + 5 D. 9k2 + 16k + 25
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Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷ 
A. 21
B. 37
C. 
D. 7
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Evaluate.tan (tan-1 (-5.9))
A. -5.9 B. -2.8 C. 9 D. 5.9
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Solve the equation.- 
a = 0
A. 0 B. 1 C. -5 D. 5
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