Solve the problem.The following table gives the amount of carbon dioxide being released into the atmosphere from a certain foreign country.Years (after 2000)Carbon Dioxide (tons)017119.4221.3323425.5(a)Find the least-squares line for this data.(b) If the trend continues, when will the number of tons reach 28?
What will be an ideal response?
(a) y = 2.06x + 17.12
(b) 2005
Mathematics
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Graph the parabola and show the focus and directrix.x = 3y2
A. 
B. 
C. 
D. 
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Are the sets equivalent?A = 
B = 
A. Yes B. No
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Evaluate the exponential expression.-50
A. 0 B. 1 C. -1 D. -5
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Solve the inequality by the test-point method. Write the solution in interval notation.x2 - 2x - 16 ? 0
A. (-?, -
] ? [
, ?)
B. (-?, 1 - 
] ? [1 + 
, ?)
C. [1 - 
, 1 + 
]
D. (-?, 1 - 
) ? (1 + 
, ?)
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