The following table shows the average rice yield Y, in tons per hectare, on Asian farms t years after 1980. Based on the regression equation, what would you expect to be the average rice yield in 2012?
t 5 10 20 25Y 3.39 3.64 3.97 4.13?
?
A. 5.19 tons per hectare
B. 4.99 tons per hectare
C. 5.18 tons per hectare
D. 4.52 tons per hectare
Answer: D
Mathematics
You might also like to view...
Use the table to solve the problem.For a function f , we have the following numerical representation. 
Evaluate f for x = -1.
A. 10 B. 0 C. 5 D. 20
Mathematics
Find the domain and range of the function.y = (x - 9)2 + 6
A. Domain: [9, ?); Range: [-?, -9) B. Domain: (-?, ?); Range: [9, ?) C. Domain: [6, ?); Range: [-?, 6) D. Domain: (-?, ?); Range: [6, ?)
Mathematics
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(3 + 2i)(9 + 3i)
A. 6i2 + 27i + 27 B. 21 - 27i C. 21 + 27i D. 33 + 9i
Mathematics
Find the one-sided limit.
(4 - 5x)
A. 4 B. 0 C. -1 D. does not exist
Mathematics