Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
Answer: C
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Find those values of x for which the given function is increasing and those values of x for which it is decreasing.y = 6x2 + 4x
A. Increasing for x > 
, decreasing for x < 
B. Increasing for x > - 
, decreasing for x < - 
C. Increasing for x > - 
, decreasing for x < - 
D. Increasing for x < - 
, decreasing for x > - 
Solve the percent of change problem.During the first week of December a waiter made $220 in tips. During Christmas week, he made 60% more than this in tips. How much did he make in tips during Christmas week? Round to the nearest cent if necessary.
A. $320.00 B. $352.00 C. $440.00 D. $252.00
Perform the indicated operation.7.1 L + 4900 ml (in liters)
A. 714.9 L B. 56.1 L C. 12,000 L D. 12 L
Solve by the square-root property.(x + 9)2 - 5 = 0
A. -3 ± 
B. 9 ± 
C. -9 ± 
D. -4, 14