Evaluate the polynomial.-4x2 - 10x - 1for x = -2
A. 3
B. 27
C. -7
D. -1
Answer: A
Mathematics
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Solve the problem.For approximately what values of x can sin x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.65439 B. |x| < 0.58857 C. |x| < 0.90288 D. |x| < 0.88011
Mathematics
Find the sum.-6 + (-20)
A. -14 B. -26 C. 14 D. 26
Mathematics
Factor by grouping.6a3 - 15a2b - 8ab2 + 20b3
A. (3a2 - 4b)(2a - 5b) B. (6a2 - 4b2)(a - 5b) C. (3a2 - 4b2)(2a - 5b) D. (3a2 + 4b2)(2a + 5b)
Mathematics
Use the appropriate sum or difference identity to write the given expression as a function of x alone.sin 
A. -sin x B. -cos x C. sin x D. cos x
Mathematics