Combine the following, if possible.
+ 
+ 
+ 
A. 11
+ 
+ 
B. 11
+ 9
C. 
+ 
+ 9
D. 73
+ 9
Answer: B
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 = -x2/5
A. Increasing -? < x < 0
Decreasing 0 < x < ?
B. Decreasing -? < x ? 0
Increasing 0 ? x < ?
C. Increasing -? < x < ?
D. Decreasing -? < x < ?
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Find all values of ? in [0°, 360°) that satisfy the equation.cot ? = 1
A. {45°, 315°} B. {135°, 225°} C. {225°, 315°} D. {45°, 225°}
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Simplify.(
+ 3)(
- 3)
A. 7 - 2
B. 16
C. 4
D. -2
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Determine whether the graph is the graph of a function.
A. Yes B. No
Mathematics