Answer:
(c) y=x+2
Explanation:
You want the relation between x and y, given some ordered pairs ...
(x, y) = (1, 3), (2, 4), (3, 5)
Relationship
Sometimes the easiest way to select the correct answer is to try the answers to see if they describe the relationship you see.
Using x = 1 and y = 3, here are the results:
- y = 2x ⇒ 3 = 2·1 . . . . no
- x = y +2 ⇒ 1 = 3 +2 . . . . no
- y = x +2 ⇒ 3 = 1 +2 . . . . yes
- x = 2y ⇒ 1 = 2·3 . . . . no
The only answer choice that makes any sense is
y = x +2
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