Find the numerical value of the expression for the given value.
, x = -2
A. - 4
B. 
C. 4
D. - 
Answer: C
Mathematics
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Multiply.-y(6x3 - 8y + 9x - 5y3)
A. -6x3 + 8xy2 - 9xy3 + 5 B. 6x3y - 8y2 + 9xy3 - 5y4 C. -6x3y + 8y2 - 9xy + 5y4 D. -6x3 + 8x2y - 9y2 + 5y3
Mathematics
Perform the indicated operation. Write the answer in standard form.-6i(-4 + 9i)
A. -54 + 24i B. 24i + 54i2 C. 24i - 54i2 D. 54 + 24i
Mathematics
Evaluate the root function at the given x-value. Round to the nearest hundredth when appropriate.f(x) = 
, x = -62
A. 4 B. Undefined C. -5 D. 5
Mathematics
Solve the equation.x4 - 5x2 - 36 = 0
A. {3, -3, 2i, -2i} B. {3i, -3i, 2i, -2i} C. {2, -2, 3i, -3i} D. {3, -3, 2, -2}
Mathematics