Consider the graph of $y=2x+6$y=2x+6.
Using the graph, state the solution of the inequality $2x+6\ge0$2x+6≥0.
Consider the graph of $y=x-6$y=x−6.
Consider the graph of $y=5x+3$y=5x+3.
Consider the equation $2\left(x-1\right)-3=7$2(x−1)−3=7.
Understand the relationship between y = f(x) and y = |f(x)|, where f(x) may be linear, quadratic or trigonometric.
Sketch the graphs of cubic polynomials and their moduli, when given in factorised form y = k(x – a)(x – b)(x – c).