Write the first four terms of {an}.an = 
A. 
, 
, 
, 
B. -1, 1, 
, 
C. 1, 
, 
, 
D. 0, 
, 
, 
Answer: C
Mathematics
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Solve the problem.Let u = 
, v = 
. Find u + v.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.On part of a scenic tour of underground caves, Dave and Neil started at an elevation of - 55 feet. They then rose 16 feet. What was their elevation at this point?
A. -39 ft B. -71 ft C. 39 ft D. 71 ft
Mathematics
Determine the real solutions to the system of nonlinear equations.x2 + y2 - 6x + 2y + 6 = 0 x2 - y2 - 6x - 2y + 4 = 0
A. (3, 1), (3, -3) B. (5, -1), (-1, -1) C. (5, -1), (1, -1) D. (3, -1), (3, 3)
Mathematics
Solve the problem.Let f(x) = x2 + 4x - 3. Find f(-1).
A. f(-1) = 2 B. f(-1) = -3 C. f(-1) = -6 D. f(-1) = -8
Mathematics