Answer:
B. y = x +3
Explanation:
The fastest way to find this answer is to substitute offered values of x and y into the given equations to see if they are true.
Substitution
Using the first line in the table, (x, y) = (2, 5), we have ...
A 5 = 2(2) . . . . false
B 5 = 2 +3 . . . . true
C 5 = 3(2) . . . . false
D 5 = 2 +1 . . . . false
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Additional comment
Checking answer choices against the problem statement is one of many possible strategies for answering multiple-choice questions.