Demystifying - Regions from inequalities in two variables

Author note — to cover (Higher)

Higher page, per the A22 braces on inequalities in two variables. Shade the region satisfying several inequalities at once, e.g. y > x, x + y < 6, x ≥ 1, with dashed boundaries for strict and solid for inclusive; identify integer points inside and describe a given region with inequalities. (A22)

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