Let A = {1, 2, 3}, B = {2, 4} and R = {(1, 2), (2, 2), (2, 4), (3, 4)}. Is a relation from A to B ?

Explanation

To determine whether the relation \( R \) is a relation from set \( A \) to set \( B \), we need to check if \( R \) is a subset of the Cartesian product \( A \times B \).

### Step-by-Step Solution:

1. **Identify Sets**:
- Given sets are \( A = \{1, 2, 3\} \) and \( B = \{2, 4\} \).

2. **Calculate the Cartesian Product \( A \times B \)**:
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