Evaluate the function.Find f(2, 0, 9) when f(x, y, z) = 2x2 + 2y2 - z2.
A. 89
B. -68
C. -73
D. -77
Answer: C
Mathematics
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above the disk 
in the 
.
A. 
B. 27
C. 
D. 
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Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
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Solve the problem.Evaluate (x + 4y)2 for x = 4; and y = 4
A. 20 B. 40 C. 64 D. 400
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Solve.Solve: |6x + 7| - 5 = 0
A. 
B. 
C. ?
D. 
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