Find the vertices of the hyperbola with the given equation.
- 
= 1
A. (0, -2), (0, 2)
B. (0, -1), (0, 1)
C. (-2, 0), (2, 0)
D. (-1, 0), (1, 0)
Answer: D
Mathematics
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Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = 
A. Decreasing -? < x < 0
Increasing 0 < x < ?
B. Increasing -? < x < 0 and 0 < x < ?
C. Decreasing -? < x < 0 and 0 < x < ?
D. Increasing -? < x < 0
Decreasing 0 < x < ?
Mathematics
Solve the equation for solutions in the interval [0°, 360°).cot 
= 1
A. ? = 33°, 57°, 123°, 147°, 213°, 237°, 303° B. ? = 0°, 90°, 180°, 270° C. ? = 135° D. ? = 0°, 45°, 90°, 180°, 225°, 270°, 315°
Mathematics
Evaluate the expression.
A. -1 B. -4 C. 1 D. 0
Mathematics
Add or subtract. Write the answer in lowest terms.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics