Complete the identity.tan 2x = ?
A. - 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve.The following table lists the number of students enrolled in ABC High School for a four year period. 
What was the enrollment in 2011?
A. 414 B. 405 C. 407 D. 386
Mathematics
Solve the absolute value equation.|3x + 4| - 3 = 2
A. x = 
, - 3
B. x = - 
, 3
C. x = 
, - 
D. no solution
Mathematics
Use the leading-term test to match the function with the correct graph.f(x) = x5 - x3 + x2 + 1
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations using matrices. Use Gaussian elimination with back-substitution. -5x - y + 6z=-29 -8x - 9z=-99 2y + z= 7
A. {(-9, 2, 18)} B. {(9, 2, 3)} C. {(-9, 18, 2)} D. {(9, 3, 2)}
Mathematics