For the function

MATHEMATICS · Multi-part · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

For the function k(x)=3x−2k(x)=\dfrac{3}{x-2}, answer the following: (i) Calculate k(5)k(5). (ii) Find lim⁡x→∞k(x)\displaystyle \lim_{x\to \infty} k(x). (iii) State the sign (positive or negative) of k(x)k(x) when x>2x>2.

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