Specimen 2017 H2 Mathematics Paper 1 Question 3

Equations and Inequalities

Answers

(b)

x<−3{x < - 3} or 0<x<4.{0 < x < 4.}

Full solutions

(b)

From the graph,
x<−3 or 0<x<4.  ■{x < - 3} \allowbreak \textrm{ or } {0 < x < 4.} \; \blacksquare
x{x}
y{y}
x=0{x=0}
y=1{y=1}
y=x{y=x}
−3{-3}
4{4}