Given functions f and g, determine the domain of f + g.f(x) = 3x2 - 6, g(x) = 2x3 + 8
A. (-?, ?)
B. (0, ?)
C. (-?, 0) or (0, ?)
D. (-?, -3) or (-3, -2) or (-2, ?)
Answer: A
Mathematics
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Determine the symmetries of the curve.r = 
, ? > 0
A. y-axis only B. x-axis only C. Origin only D. No symmetry
Mathematics
Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Express 12.25 as a mixed number.
A. 1225
B. 12
C. 122
D. 1
Mathematics