Simplify the expression algebraically.
?
?
A. 
B. 0
C. 
D. 1
E. 6
Answer: B
Mathematics
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.y2 + z2 = 2, x = -3
A. The line tangent to the circle y2 + z2 = 2 at the point x = -3
B. The cylinder with the radius 
along the x-axis
C. The circle y2 + z2 = 2 in the plane x = -3
D. All points more than 
units from the origin
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Find the derivative of y with respect to x.y = tan-1 
A. 
B. 
C. 
D. 
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Divide.(x2 + 10x + 12) ÷ (x + 7)
A. x + 3 + 
B. x + 3 - 
C. 
D. x + 4
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Multiply. Assume that all variables represent natural numbers.-7x2yn(8xyn+1 - 3)
A. -56x2y2n+1 + 21x2yn B. -56x3y2n + 21x2yn C. -56x3yn2+1 + 21x2yn D. -56x3y2n+1 + 21x2yn
Mathematics