Match the system with the correct graph.x + y = -2x - y = 6
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Express the value of the inverse hyperbolic function in terms of natural logarithms.sech-1 
A. ln 
B. ln 
C. Undefined
D. ln 
Mathematics
Set up a linear equation and solve it. Use the variable x in your equation.Bob is saving to buy a car. The total amount that he needs is $14,000. The amount that he has saved so far is $5000. How much more does Bob need?
A. 5000 + x = 14,000; $9002 B. 5000 - x = 14,000; $9002 C. 5000 - x = 14,000; $9000 D. 5000 + x = 14,000; $9000
Mathematics
Find all specified roots.Cube roots of 1.
A. 1, - 
+ 
i, - 
- 
i
B. -1, 1
C. 1, 
+ 
i, - 
+ 
i
D. 1, 
- 
i, - 
- 
i
Mathematics