Determine whether the relation is also a function.{(-2, -6), (1, 3), (5, 9), (8, -8), (10, -6)}
A. yes
B. no
Answer: A
Mathematics
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Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
Specify the following set.C ? D
A. {q, w, y} B. {q, y, z} C. ? D. {q, s, u, w, y, z}
Mathematics
Solve the system of linear equations. If the system has infinitely many solutions, describe the solution with an ordered triple in terms of variable z.x + y + z=92x - 3y + 4z=7x - 4y + 3z=-2
A. 
B. 
C. 
D. 
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log5
A. 
log5x - 2
B. - 2log5x
C. log5x - 2
D. 10 - 
log5x
Mathematics
Subtract and simplify. Write the answer as a mixed number as needed.12
- 12
A. 1
B. 24
C. 
D. 
Mathematics