Find the first five terms of the recursively defined sequence.a1 = 7, an+1 = 
A. 7, - 
, 7, - 
, 7
B. 7, - 
, 
, - 
, 
C. 7, - 
, -7, 
, 7
D. 7, - 
, - 
, 
, 
Answer: C
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Solve the problem.If 100! ? 10158, which of the following numbers most closely approximates 99!?
A. 10157 B. 10158 - 100 C. 10156 D. 10158 - 1 E. none of these
Determine the terms and degree of the polynomial.7x3 - 3x2 - x + 11
A. Terms: 7x3, 3x2, x, 11; degree: 5 B. Terms: 7x3, -3x2, -x, 11; degree: 3 C. Terms: 7x3, 3x2, x, 11; degree: 6 D. Terms: 7x3, -3x2, -x, 11; degree: 6
Solve the problem. Round to the nearest cent.Tracey bought a diamond ring appraised at $1900 at an antique store. If diamonds have appreciated in value at an annual rate of 
what was the value of the ring 8 years ago?
A. $727.50 B. $767.38 C. $278.55 D. $4704.33
Find the domain and the vertical asymptote of the function.f(x) = 4 - log6x
A. Domain: (0, ?); vertical asymptote: x = 0 B. Domain: (4, ?); vertical asymptote: x = 4 C. Domain: [0, ?); vertical asymptote: x = 0 D. Domain: [0, ?); vertical asymptote: none