Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. 
B. 
C. 
D. 
Answer: B
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Find the absolute extreme values of the function on the interval.f(x) = csc x, - 
? x ? 
A. absolute maximum is 0 at x = -?; absolute minimum is -1 at x = ? B. absolute maximum does not exist; absolute minimum does not exist C. absolute maximum is -1 at x = ?; absolute minimum is 1 at x = 0 D. absolute maximum is 1 at x = ?; absolute minimum is -1 at x = ?
Identify the type of surface represented by the given equation.x = 7z2, no limit on y
A. Hyperboloid of two sheets B. Parabolic cylinder C. Cylinder D. Sphere
Find an equation for the line.
A. y = - 2x + 6
B. y = - 
x - 
C. y = - 2x + 3
D. y = - 2x - 6
Write out the first five terms of the sequence.an = n2 - n
A. 1, 4, 9, 16, 25 B. 2, 6, 12, 20, 30 C. 0, 3, 8, 15, 24 D. 0, 2, 6, 12, 20