Select the correct answer.
Which of these tables represents a function?
X
y
X
у
у
Х
х
4
у
-2
- 1
15
0
4
0
6
-2
6
6
15
-1
-2
4
0
0
15
0
6
6
-2
15
-1
-2
- 1
6
15
4
3
4 6
w.
X.
Y.
z.
OA. W
OB. X
Ос. Ү
OD. Z
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If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g
The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest