Find the domain of 
.
A. all real numbers
B. all real numbers except x = -5
C. all real numbers except x = 25
D. all real numbers except x = -1
E. all real numbers except x = -5 and x = -2
Answer: A
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Divide the polynomials using polynomial long division.
A. x + 4 + 
B. x - 4 + 
C. x - 4 + 
D. x + 12 + 
Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.7th term is 40; 13th term is 88
A. a1 = -16, d = 8, an = an-1 - 8 B. a1 = -8, d = 8, an = an-1 - 8 C. a1 = -16, d = 8, an = an-1 + 8 D. a1 = -8, d = 8, an = an-1 + 8
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(2x + 1)3
A. 8x3 + 12x2 + 6x + 1 B. 8x3 + 1 C. 8x3 + 24x2 + 6x + 1 D. 8x3 + 8x2 + 4x + 1
Determine where the given function is increasing and where it is decreasing. y = x3 - 3x2 + 4x - 4
A. Increasing on (-?, ?) B. Increasing on (-?, -1] and [1, ?), decreasing on [-1, 1] C. Decreasing on (-?, -1] and [1, ?), increasing on [-1, 1] D. Increasing on (-?, 1], decreasing on [1, ?)