2019 NJC C1BT Q3
2019 NJC C1BT Q3
7 marks
Mid Year Exam
Free
- Using a graphical method, solve the inequalities \(-3<\left| {{x}^{2}}-1 \right|-\left| x+3 \right|<3\).[3]
- Without using a calculator, solve the inequality \(\frac{{{x}^{2}}+1}{x+3}\le 1\).[4]
Video Solution:
Default solution
Answer:(a) -2.19 < x < 0.618 or 1.62 < x < 3.19; (b) x < -3 or -1 ≤ x ≤ 2
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