Write the first four terms of the sequence.an = 4(n + 2)!
A. 8, 48, 288, 1920
B. 8, 24, 96, 480
C. 24, 192, 1440, 11,520
D. 24, 96, 480, 2880
Answer: D
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Write the indicated statement. Use De Morgan's Laws if necessary.If I pass, I'll party.Contrapositive
A. I'll party if I pass. B. If I don't pass, I won't party. C. If I party, then I passed. D. If I don't party, I didn't pass.
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.36-3/2
A. 
B. -216
C. - 
D. 216
Find the vertex, focus, and directrix of the parabola with the given equation.(y - 4)2 = -16(x - 1)
A. vertex: (4, 1) focus: (0, 1) directrix: x = 8 B. vertex: (-1, -4) focus: (-5, -4) directrix: x = 3 C. vertex: (1, 4) focus: (-3, 4) directrix: x = 5 D. vertex: (1, 4) focus: (5, 4) directrix: x = -3
Factor by grouping.15x6 - 12x3 - 10x3 + 8
A. (3x6 - 2)(5x - 4) B. (3x3 + 2)(5x3 + 4) C. (15x3 + 2)(x3 + 4) D. (3x3 - 2)(5x3 - 4)