Determine whether the equation defines y as a function of x. x2 + 2y2 = 1
A. function
B. not a function
Answer: B
Mathematics
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Find the limit.
sec x
A. 0 B. -? C. 1 D. ?
Mathematics
Convert as indicated.4.7 L to deciliters
A. 47 dl B. 470 dl C. 0.47 dl D. 0.047 dl
Mathematics
For the pair of functions, determine the domain of f + g.f(x) = 3x + 4, g(x) = 
A. (-?, -2) or (-2, ?) B. (-?, ?) C. (-?, -10) or (-10, ?) D. (0, ?)
Mathematics
Decompose into partial fractions.
A. 
- 
B. 
- 
C. 
+ 
D. 
- 
Mathematics