A curve has equation
y=2x+15(3x−6)2,x∈R,x≠2 y = \frac{2x + 15}{(3x - 6)^2}, \quad x \in \mathbb{R}, \quad x \neq 2 y=(3x−6)22x+15,x∈R,x=2Use calculus to determine the set of values of x x\,x for which y y\,y is increasing.
333 exam-style questions on WJEC A Level Maths 3.6 Differentiation (A-level only), covering 3.6.1 Differentiation (A-level only), 3.6.2 Differentiation (A-level only), 3.6.3 Differentiation (A-level only), 3.6.4 Differentiation (A-level only), 3.6.5 Differentiation (A-level only), 3.6.6 Differentiation (A-level only), 3.6.7 Differentiation (A-level only), and 3.6 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.