Find the sum or difference. Express the answer reduced to lowest terms and use the denominator given in the first rational expression.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the inequality. Graph the results.7x + 12 ? 6x + 15
A. x ? 3
B. x ? 3 
C. x > 7 
D. x < 7 
Mathematics
Solve the inequality. Give the solution set in both interval and graph forms.x - 1 < 3 and x + 3 ? 1
A. (-?, -2] ? (4, ?)
B. (-?, 4)
C. [-2, ?)
D. [-2, 4)
Mathematics
Identify the open intervals where the function is changing as requested.Decreasing
A. (-?, 0) B. (0, 3) C. (-1, 0) D. (3, ?)
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics