2025年6月国际A卷 · 第 22 题

For the linear function \( g \), the table shows three values of \( x \) and their corresponding values of \( g(x) \). Function \( g \) is defined by \( g(x)=ax+b \), where \( a \) and \( b \) are constants. What is the value of \( a+b? \)