Calculate.
× 3.1629
A. 1.43
B. 1.4331
C. 1.4376
D. 1.43
Answer: C
Mathematics
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Factor by grouping.x3 + 2x2 + x + 2
A. (x2 + 1)(2x + 2) B. (x2 + 1)(x + 2) C. (2x2 + 2)(x + 1) D. (x2 + 2)(x + 1)
Mathematics
Write the first four terms of the sequence.an = 4n
A. a1 = 1, a2 = 16, a3 = 81, a4 = 256 B. a1 = 1, a2 = 4, a3 = 16, a4 = 64 C. a1 = 4, a2 = 16, a3 = 64, a4 = 256 D. a1 = 16, a2 = 64, a3 = 256, a4 = 1024
Mathematics
Find an equation of the parabola that satisfies the given conditions.Focus (-4, -1), directrix y = 7.
A. x2 + 8x + 5y - 56 = 0 B. x2 + 14x + 16y - 56 = 0 C. x2 + 8x + 8y - 64 = 0 D. x2 + 8x + 16y - 32 = 0 E. x2 + 14x + 5y - 32 = 0
Mathematics
Provide an appropriate response.The sum of an infinite geometric series exists if:
A. 
? 1
B. 
> 1
C. 
< 1
D. 
? 1
Mathematics