Solve the problem.Find the point on the curve of intersection of the paraboloid 
and the plane 
that is closest to the origin.
A. (1, 1, -1)
B. (1, 1, 1)
C. (-1, 1, 1)
D. (1, -1, 1)
Answer: C
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Solve the equation 
for z.
?
A. There is no solution.
B. ?
C. 
D. ?
Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.S8 = - 100, a8 = -16
A. a1 = 103, d = -1 B. a1 = 103, d = -4 C. a1 = -9, d = -4 D. a1 = -9, d = -1
Solve the problem.A candy company has 130 pounds of cashews and 160 pounds of peanuts which they combine into two different mixes. The deluxe mix has half cashews and half peanuts and sells for $6 per pound. The economy mix has one third cashews and two thirds peanuts and sells for $5.50 per pound. How many pounds of each mix should be prepared for maximum revenue?
A. 100 pounds of deluxe and 30 pounds of economy B. 130 pounds of deluxe and 0 pounds of economy C. 300 pounds of deluxe and 60 pounds of economy D. 200 pounds of deluxe and 90 pounds of economy
Describe the natural domain of the function. f(x) = x2 + 4
A. {x|x ? -4}, or [-4, ?) B. {x|x ? -4}, or (-?, -4) ? (-4, ?) C. all real numbers, or (-?, ?) D. {x|x > -4}, or (-4, ?)