To determine which of the ordered pairs is part of the solution set for the equation \( y = 4x + 2 \), we can substitute \( x = 3 \) into the equation and calculate the corresponding value of \( y \).
Substituting \( x = 3 \):
\[ y = 4(3) + 2 = 12 + 2 = 14 \]
This means that when \( x = 3 \), \( y \) should be \( 14 \).
Now let's compare this result with the options provided:
- \( (3, 14) \) → \( y = 14 \) (This pair is part of the solution set)
- \( (3, 7) \) → \( y = 7 \) (Not part of the solution set)
- \( (3, 12) \) → \( y = 12 \) (Not part of the solution set)
- \( (3, 45) \) → \( y = 45 \) (Not part of the solution set)
The only ordered pair that is part of the solution set is \( (3, 14) \).