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