Perform the indicated operation.(n + 4)2
A. n2 + 8n + 16
B. n + 16
C. 16n2 + 8n + 16
D. n2 + 16
Answer: A
Mathematics
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Construct the requested tree diagram.Construct a tree diagram that shows all possible 2-letter code words using only the letters c and d without repetition.
A.
| /\ |
| c | d |
| /| | | |
| c | d | c |
B.
| | |
| c |
| | |
| d |
C.
| /\ |
| c | d |
| /\ | /\ |
| c | d | c | d |
D.
| /\ |
| c | d |
| | | | |
| d | c |
Mathematics
Evaluate the limit.
Mathematics
Find the equation of the circle. Express the equation in standard form
A. (x - 1)2 + (y - 3)2 = 42 B. (x + 1)2 + (y - 3)2 = 42 C. (x - 1)2 + (y + 3)2 = 42 D. (x + 1)2 + (y + 3)2 = 42
Mathematics
Solve the inequality and express the solution set in interval notation. Graph the solution set on the real number line.
x > 
(2x + 1)
A. x < 
; 
B. x < - 
; 
C. x > - 
; 
D. x > 
; 
Mathematics