TMUA 2021 Paper 2 Q13 — Worked Solution

P2·Inequalities, Logic & Quantifiers·6.5Official · 2021 · Q13

regions-inequalitiesmust-be-truecounterexample

A region

R

in the

(x, y)

-plane is defined by the simultaneous inequalities

y - x < 3, y - x^{2} < 1.

Which of the following statements is/are true for every point in

R

- 1 < x < 2

(y - x) (y - x^{2}) < 3

III

y < 5

Discussion

No discussions yet. Stuck, or want to share an approach? Start the first one.