Solve the equation.8v = 7v - 16
A. 16
B. -16
C. -15
D. -9
Answer: B
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Translate the problem situation to a system of equations. Do not solve.The difference between two numbers is 22. Three times the smaller number plus the larger number is 54. What are the numbers?
A. x - y = 22; 3x + y = 54 B. x - y = 22; x + 3z = 54 C. x - y = 22; x + 3y = 54 D. x + y = 22; x + 3y = 54
Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = 
A. Decreasing -? < x < 0
Increasing 0 < x < ?
B. Increasing -? < x < 0 and 0 < x < ?
C. Decreasing -? < x < 0 and 0 < x < ?
D. Increasing -? < x < 0
Decreasing 0 < x < ?
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
A. - 
+ 
i
B. 
i
C. - 
D. - 
- 
i
Graph the function.f(x) = 
A. 
B. 
C. 
D. 