Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
2
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Verify that the equation is an identity.
2 = 1 - sin x
What will be an ideal response?
Mathematics
Solve the equation.
- 
= 1
A. {3} B. ? C. {3, -1} D. {-3, -1}
Mathematics
Solve the system analytically.
- 
- 
= 
- 
- 
+ 
style="vertical-align: -17.0px;" /> = - 
- 
- 
= 
A. {(5, 4, 5)}
B. {(5, 4, -5)}
C. 
D. 
Mathematics
Find the range of the function.y = (x - 8)2 - 3
A. [-?, -8) B. [8, ?) C. [-3, ?) D. [-?, -3)
Mathematics