Find the exact value of the trigonometric expression without the use of a calculator.
A. - 
B. -2
C. -
D. - 
Answer: C
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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.
Reverse the order of integration and then evaluate the integral.
A. ln 5 - 1
B. 
C. ln 5
D. 
Find the equation of the line described. Write the equation in slope-intercept form, if possible.(0, 4); slope = 
A. y = 
x + 4
B. y = - 
x - 4
C. y = 
x - 4
D. y = 
x + 4
Some examples of variable expenses are utility bills and entertainment costs.
Answer the following statement true (T) or false (F)