Translate the phrase to an algebraic expression. Use "x" to represent "a number". -2
decreased by a number
A. x - 
B. 2
- x
C. -2
÷ x
D. -2
- x
Answer: D
Mathematics
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Solve the problem.Sketch a continuous curve y = f(x) with the following properties: f(2) = 3; f"(x) > 0 for x > 4; and f"(x) < 0 for x < 4 .
What will be an ideal response?
Mathematics
Solve the radical equation, and check all proposed solutions.x - 
= 4
A. {-1} B. {1, 2} C. {2, 9} D. {9}
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
+ 
Mathematics
Perform the operation and write the result in the standard form.(8 + 4i)2
A. 48 - 64i B. 80 + 64i C. 48 + 64i D. 80 - 64i
Mathematics