Solve the trigonometric equation symbolically, graphically, or numerically for 
tan2 ? - 1 = 0
A. ? = 45°, 135°, 225°, 315°
B. ? = 30°, 150°, 210°, 330°
C. ? = 225°, 315°
D. ? = 45°, 135°
Answer: A
Mathematics
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Graph the function.f(x) = ?2 - x?
A. 
B. 
C. 
D. 
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Insert <, >, or = to make a true statement.8 
A. = B. < C. >
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Write the conjugate 
of the complex number z. Then find z
.z = 
- 
i
A. 
= 
+ 
i, z
= 
B. 
= 
+ 
i, z
= 
C. 
= 
+ 
i, z
= 
D. 
= 
+ 
i, z
= 
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Use the leading-term test to match the function with the correct graph.f(x) = 
x2 - 7
A. 
B. 
C. 
D. 
Mathematics