Graph the curve whose parametric equations are given.x = 2t - 1, y = t2 + 5;-4 ? t ? 4
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = x4 + 3x3 + 6x2 + 12x + 8
A. f(x) = (x + 1)(x + 2)(x - 2i)(x + 2i)
B. f(x) = (x - 1)(x + 2)(x - 2)(x + 2)
C. f(x) = (x - 1)(x - 2)(x - 2i)(x + 2i)
D. f(x) = (x - i
)(x + i
)(x - 2)(x +2)
Mathematics
For the given functions f(x) and g(x), find (f ? g)(x) or 
(x) as indicated.f(x) = x2 - x - 9, g(x) = x - 1Find (f ? g)(x).
A. x3 - 8x + 9 B. x3 - 2x2 - 8x + 9 C. x3 - 2x2 - 10x - 9 D. x3 - 2x2 - 9x + 9
Mathematics
Establish the identity.cot ? ? sec ? = csc ?
What will be an ideal response?
Mathematics
Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.
A. 6247.5 B. 6541.5 C. 6713 D. 6370
Mathematics