A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, an+1 = 
A. 1, 
, 
, 
, 
B. 1, 
, 
, 
, 
C. 1, 
, 20, 
, 840
D. 1, 
, 
, 
, 
Answer: A
Mathematics
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Simplify the given expression.0188
A. 0 B. 1 C. 188 D. undefined
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Write as a percent. Round the percent to the nearest tenth if necessary.
A. 40% B. 400% C. 0.4% D. 4%
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Let A = B = {1, 2, 3}, and consider the function f: A ? B defined as follows: f(1) = 3, f(2) = 1, f(3) = 3. Is f onto? Why or why not?
What will be an ideal response?
Mathematics
Find the exact value of the expression. Do not use a calculator.tan 150° cos 210°
A. - 
B. 
C. 
D. 
Mathematics