Find the first four terms of the given sequence.a1 = 5, an = 
A. -5, 
, - 
, 
B. 5, - 
, 5, - 
C. 5, - 
, -5, 
D. 5, - 
, 
, - 
Answer: C
Mathematics
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Substitute the value(s) for the variable(s) and then evaluate.
2 ? 7 - 2y; x = 9, y = 6
A. 51 B. 27 C. 240 D. 10
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Use substitution to determine whether the given number is a zero of the given polynomial.2; f(x) = -x4 - 9x2 - 5x + 62
A. Yes B. No
Mathematics
Use technology to calculate det A.A = 
A. 168 B. -168 C. -48 D. -120
Mathematics
Find a and b.If |x + 1| ? 2, then a ? 
? b.
A. a = 
, b = 
B. a = 
, b = 
C. a = 
, b = 
D. a = 
, b = 
Mathematics