3.1 Sketch on the same axis the graph of g(x) = 2cosx for x € [0° : 360°). - (4) 3.2 What is the amplitude of g? (1) 3.3 Write down the turning point of g. (2) 3.4 Write down the period of f. (1) 3.5 Write down the domain of f. (2) 3.6 For which value(s) of x is: 3.6.1 f(x) decreasing (2) 3.6.2 g(x) > 0 (2) 3.7 Determine the equation of k(x), if k(x) = 3g(x) - 2. (2) 3.7.1 Write down the range of k(x). (3)