Determine where the given function is increasing and where it is decreasing. f(x) = 
A. Decreasing on (-?, -1], increasing on [-1, ?)
B. Increasing on (-?, ?)
C. Increasing on (-?, -1] and [1, ?), decreasing on 
D. Decreasing on (-?, -1] and [1, ?), increasing on 
Answer: D
Mathematics
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Use an integer or rational number to express the number representing change.The stock market lost 48 points on Monday.
A. 48 B. -48
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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.36 - (x + 3y)2
A. (6 + x + y)(6 - x - y) B. (6 + x - 3y)(6 - x - 3y) C. (6 + x + 3y)(6 - x - 3y) D. (6 + 3xy)(6 - 3xy)
Mathematics
Subtract.-
- 
A. - 9
B. 11
C. - 11
D. - 11
Mathematics
Solve the problem.A bakery sold 52 pies for $4.17 each. What was the total amount of the sale?
A. $206.94 B. $216.84 C. $216.94 D. $217.94
Mathematics