Evaluate.7x2 + 6x + 3, for x = -2
A. 9
B. 19
C. 15
D. -23
Answer: B
Mathematics
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What number should be added to complete the square of the expression?x2 + 6x
A. 18 B. 9 C. 3 D. 5
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Show that the matrix has no inverse.
What will be an ideal response?
Mathematics
Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value.
A. 8 B. 0 C. 4 D. Does not exist
Mathematics
Find the integral.
A. 
+ 
+ C
B. 
- 
+ C
C. - 
- 
+ C
D. - 
+ 
+ C
Mathematics