Simplify by factoring. Assume that any variable in a radicand represents a positive real number.
A. (x + k)2
B. (x + k)2
C. x2 + 9
D. (x + k)
Answer: B
Mathematics
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Use an integer to express the number.On a cloudy day, the water temperature in the swimming pool drops 2 degrees.
A. -2 B. 2
Mathematics
Write the inequality in interval notation.-9 ? x < -3
A. (-9, -3) B. [-9, -3) C. (-9, -3] D. [-9, -3]
Mathematics
Find the indicated quantity.a19, when a1 = -4 and d = -5
A. -99 B. 86 C. -94 D. 91
Mathematics
Evaluate using a table of integration formulas.
A. 
- 
+ C
B. 
+ 
+ C
C. xe4x - 
+ C
D. 
- 
+ C
Mathematics