Find the first five terms of the recursively defined sequence.a1 = 11, an+1 = 
A. 11, - 
, 
, - 
, 
B. 11, - 
, -11, - 
, -11
C. 11, - 
, - 
, - 
,- 
D. 11, - 
, 11, - 
, 11
Answer: D
Mathematics
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Divide.
A. -72.9
B. -7.29
C. - 
D. -80
Mathematics
Divide and/or multiply as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
÷ 
A. 
B. 
C. 21
D. 
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.x3 + 27
A. (x + 3)(x2 - 3x + 9) B. (x - 27)(x2 - 1) C. (x - 3)(x2 + 3x + 9) D. (x + 3)(x2 + 9)
Mathematics
Solve the problem.For what numbers x, 0 ? x ? 2?, does cos x = 1?
A. 
B. 0, 2?
C. 
, 
D. none
Mathematics