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Do not write solutions on this page. Section B Answer all questions in the answer booklet provided. Please start each question on a new page. 5 [Maximum mark: 13] Let f(x) = 25in(3x) + 4 for xeR. (a) The range of f is ksx) Sm. Find k and m. [3] Let g(x) = 5f(2x). (b) Find the range of g. [2] The function g can be written in the form g(x) = 105in(bx) + c. (c) (i) Find the value of b and of c. (ii) Find the period of g. [5] (d) The equation g(x) = 12 has two solutions where 7r 5 x 5%. Find both solutions. [3] |_ Turn over I