A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, a2 = 3, an+2 = an+1 + an
A. 1, 3, 4, 7, 11
B. 1, 1, 2, 3, 5
C. 1, 3, 4, 8, 12
D. 1, 3, 4, 5, 6
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Use a graphing calculator to determine which of the following expressions asserts an identity.2 
= ...
A. 2 cosx + 2 sin x B. 2 cos 2x C. 2 D. 2 cos x - 2 sin x
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Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 
D. 
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