Provide an appropriate response.For 2x2 + 3y2 + 2z2 = 16, evaluate 
when x = 1, y = 2, z = -1.
What will be an ideal response?
= - 
; 
= 3
Mathematics
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A. -40 - 42i B. 9 - 91i C. 58 - 42i D. 9 + 7i
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A. 4 B. -2 C. -4 D. 2
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Solve the inequality. Write the solution set in interval notation.-2x2 + 8x ? 0
A. (-?, 0] ? 
B. 
? [0, ?)
C. 
D. 
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Sketch the graph of the polynomial function.f(x) = 4x4 + 8x3 - 33x2 - 2x + 8
A. 
B. 
C. 
D. 
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