Find the requested equation.The system of equations 
= y - 3xy 
= -x + 5xy describes the influence of the populations (in thousands) of two competing species on their growth rates. Find an equation relating x and y, assuming y = 9 when x = 1.
A. 5y - ln y = -3x - ln 9 + 42
B. 5y - ln y = ln x - 3x - ln 9 + 48
C. 5y - ln y = ln x - 3x - ln 9 + 42
D. 5y - ln y = ln x - ln 9 + 48
Answer: B
Mathematics
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dx = - 
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A. Yes B. No
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Evaluate the integral.
A. 
ln 7x - 
+ 2x + C
B. 
ln 7x - x2 + x + C
C. 
ln 7x - 
+ x + C
D. 
ln 7x - 
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Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.sec ? = 
Find csc ?.
A. 
B. 
C. 
D. 
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Find the first term and the common difference.3, 4, 5, 6, . . .
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