Decide whether or not the ordered pair is a solution to the equation.y = 2x; (2, 4)
A. No
B. Yes
Answer: B
Mathematics
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The following table shows the average rice yield Y, in tons per hectare, on Asian farms t years after 1980. Explain in practical terms the meaning of the slope of the regression equation. t 5 10 20 25Y 3.35 3.66 3.95 4.14? ?
A. Each year yield decreases by an average of 0.04 tons per hectare. B. Each year yield increases by an average of 0.04 tons per hectare. C. Each year yield increases by an average of 0.52 tons per hectare. D. Each year yield decreases by an average of 0.52 tons per hectare.
Mathematics
Expand, where i2 = -1.
4
A. 1 B. -1 C. 1 - i D. 1 + i
Mathematics
Simplify.(x - 6)2
A. x2 - 12x + 36 B. 36x2 - 12x + 36 C. x + 36 D. x2 + 36
Mathematics
Find the limit algebraically.
A. -16 B. 0 C. 16 D. does not exist
Mathematics