Use a sum or difference identity to find the exact value.tan 345°
A. 
+ 2
B. 
- 2
C. - 
+ 2
D. - 
- 2
Answer: B
Mathematics
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Solve the polynomial equation.(2x - 9)(x + 4)(x - 3) = 0
A. 108
B. - 
, 4, -3
C. 9, -4, 3
D. 
, -4, 3
Mathematics
Find the standard equation of the hyperbola.Vertices at (0, ±4), foci at (0, ±11)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
State whether the function is linear or quadratic.f(x) = 7
A. Linear B. Quadratic
Mathematics
Perform the indicated operation. Simplify the result, if possible.
÷ 
A. 
B. 
C. 
D. 
Mathematics