(a) On the axes, sketch the graph of \(y=\left|x^{2}-5\right|\). State the intercepts with the coordinate axes. ![](https://cdn.mathpix.com/cropped/2eee2c9d-5310-46f8-9644-808d57c4f5b7-03.jpg?height=812&width=908&top_left_y=371&top_left_x=580) (b) It is given that \(\mathrm{f}(x)=a x+b\) where \(a\) and \(b\) are non-zero integers. The solutions of the equation \(|\mathrm{f}(x)|=4\) are \(x=2.5\) and \(x=-1.5\). Find the possible expressions for \(\mathrm{f}(x)\). [4]

2026 - M/J - 0606/22 | Q4

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(a) On the axes, sketch the graph of \(y=\left|x^{2}-5\ri...