Evaluate the polynomial.-3x3 + 4x2 - x - 30for x = -2

A. -12
B. 2
C. 12
D. 0


Answer: C

Mathematics

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Express as a single logarithm.3log6x + 5log6(x - 6)

A. log6x(x - 6)15 B. log6x3(x - 6)5 C. log6x(x - 6) D. 15 log6x(x - 6)

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Write the conjugate  of the complex number z. Then find z.z = 1 + 7i

A.  = 1 - 7i, z = -48
B.  = 1 - 7i, z = 1 - 49i2
C.  = 1 - 7i, z = 50
D.  = 1 - 7i, z = 1 - 49i

Mathematics

Solve the problem.A student must choose 1 of 5 science electives, 1 of 8 social studies electives, and 1 of 7 language electives. How many possible course selections are there?

A. 40 course selections B. 280 course selections C. 560 course selections D. 20 course selections

Mathematics

Determine whether the ordered pair is a solution to the linear inequality.y > -x - 7; (2, -6)

A. Yes B. No

Mathematics