Solve.The function 
represents the yearly income (or loss) from a real estate investment, where t is time in years. After what year does income begin to decline?
A. 5.5
B. 8.67
C. 13
D. 6.5
Answer: D
Mathematics
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Solve the problem.The following map shows the states Idaho, Montana, Wyoming, Colorado, Utah, and Nevada. Find a route that starts and ends in Colorado and crosses each common state border exactly one time.
A. CO ?WY ? MT ? ID ? NV ? UT ? CO B. No such route exists. C. CO ? UT ? NV ? ID ? MT ? WY ? ID ? UT ? WY ? CO D. CO ?WY ? ID ? MT ? WY ? ID ? UT ? CO
Mathematics
Find the intercepts for the graph of the equation.3x + y = 3
A. (0, -1); (0, 6) B. (-1, 0); (6, 0) C. (3, 6); (-1, 3) D. (1, 0); (0, 3)
Mathematics
Write the complex number in rectangular form.3(cos 
+ i sin 
)
A. - 
+ 
i
B. - 
+ 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Write the radical in exponential form and then simplify.
A. 9
B. 
C. 27
D. 
Mathematics