(b) Consider \[ g: \mathbb{R}^{2} \rightarrow \mathbb{R}, \boldsymbol{x} \mapsto \frac{1}{4}+(4,-3) \cdot \boldsymbol{x} . \] How does the value of \( g \) change if \( x \) changes (i) from \( (-1,1) \) to \( (3,-2) \) ? (ii) from \( (2,5) \) to \( (6,2) \) ? (5 marks)