Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(-6, -8)}
B. {(-6, 8)}
C. {(6, 8)}
D. {(6, -8)}
Answer: D
Mathematics
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The graph of a function f is provided. Determine the requested function value.f(-1)
A. -4 B. -1 C. 2 D. -2
Mathematics
Based on the graph, determine the range of f.f(x) = 
A. (-?, -10) ? (-10, 10) ? (10, ?) B. (-10, 10) C. (-?, 0) ? (0, ?) D. (-?, ?)
Mathematics
Find the quotient.
A. 
+ 
- 
B. 
+ 
- 
C. 
+ 
- 
D. 
+ 
- 
Mathematics
Solve the equation by completing the square.15d2 + 28d + 12 = 0
A. 
B. 
C. 
D. 
Mathematics