Simplify.
A. 8x(x + 8)
B. x + 8
C. -(x + 8)
D. -(x - 8)
Answer: C
Mathematics
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Evaluate the expression.(-4)-2
A. -16
B. 
C. 
D. 16
Mathematics
Evaluate the indicated partial derivative at the given point.z = 4xy - x2, 
A. 22 B. -69 C. -26 D. -14
Mathematics
Write the phrase as a mathematical expression. Use x as the variable.The sum of a number and 15
A. 15x
B. x + 15
C. 
D. x - 15
Mathematics
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-?, 4); Decreasing on (-?, -4); Constant on (4, ?) B. Increasing on (4, ?); Decreasing on (-?, -4); Constant on (-4, 4) C. Increasing on (-?, 4); Decreasing on (-4, ?); Constant on (4, ?) D. Increasing on (4, ?); Decreasing on (-4, ?); Constant on (-4, 4)
Mathematics