A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 4, an+1 = 
A. -4, 
, 4, - 
, -4
B. 4, - 
, -4, 
, 4
C. 4, 
, -4, - 
, 4
D. 4, - 
, 4, - 
, 4
Answer: C
Mathematics
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Solve the equation.
= 1 + 
A. 10, -12 B. -30, 12 C. -10, 12 D. ?
Mathematics
Write the first four terms of the sequence.an = n2 - 2
A. a1 = -1, a2 = 2, a3 = 7, a4 = 14 B. a1 = -1, a2 = -4, a3 = 7, a4 = 14 C. a1 = 7, a2 = 10, a3 = 11, a4 = 18 D. a1 = -1, a2 = 2, a3 = 5, a4 = 14
Mathematics
Factor the expression completely, if possible.144 - x2y4
A. (12 + x2y2)(12 - x2y2) B. (12 + xy)(12 - xy) C. (12 + xy2)(12 - xy2) D. (12 - y)2
Mathematics
Solve the exponential equation. Round to three decimal places when necessary.ex + e-x = 3
A. 0.962, -0.962 B. 0.916, -0.693 C. 1.195, -1.195 D. 0.557, -1.368
Mathematics