A curve has equation
y=6x−2(x+4)2x≠−4,x∈R y = \frac{6x - 2}{(x + 4)^2} \quad x \neq -4, \quad x \in \mathbb{R} y=(x+4)26x−2x=−4,x∈RUse calculus to find the range of values of x x\,x for which y y\,y is increasing.
109 exam-style questions on CCEA A Level Maths 3.5.2 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.