Question 1 - A-Level Maths

Exam Board	Edexcel
Module	AS Paper 1 (AS Paper 1)
Session	Specimen
Topic	Differentiation Applications
Type	Increasing/decreasing intervals

$$y = 2 x ^ { 3 } - 2 x ^ { 2 } - 2 x + 8$$

Find $\frac { \mathrm { d } y } { \mathrm {~d} x }$
Hence find the range of values of $x$ for which $y$ is increasing. Write your answer in set notation.
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