State the domain of the rational function.f(x) = 
A. (-?, - 6) ? (- 6, 6) ? (6, ?)
B. (-?, ?)
C. (-?, 5) ? (5, ?)
D. (-?, -6) ? (-6, ?)
Answer: A
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Write the first four terms of the binomial expansion.(2x + 3y)7
A. 128x7 + 1344x6y + 6048x5y2 + 15,120x4y3 B. 823,543y + 6x6y2 + 5x5y3 + 4x4y4 C. 7x7 + 6x6y + 5x5y2 + 4x4y3 D. 128x7 y + 1344x6y2 + 6048x5y3 + 15,120x4y4
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
-3
A. 
B. 
C. 
D. 
Divide.3.457 ÷ 0.001
A. 0.0003457 B. 345.7 C. 3457 D. 0.003457
Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t - 1, y = t2 + 2; -4 ? t ? 4
A. y = x2 + 1; for x in -2 ? x ? 2
B. y = 
x2 + 1; for x in -6 ? x ? 4
C. y = 
x2 + 
x + 
; for x in -9 ? x ? 7
D. y = - 
x + 30; for x in -6 ? x ? 4