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Identifying Graphs of Rational and Cubic Functions

Identifying Graphs of Rational and Cubic Functions

Secondary 3

The diagrams below show the graph of four curves.

  1. Write down the figure number that represents the graph of the equation:
    1. \(y=-{{x}^{3}}\)
    2. \(y=-\frac{2}{{{x}^{2}}}\)
  2. In the answer space below, sketch the graph of \(y={{2}^{x}}\).
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Answer:(a)(i) Figure I. (ii) Figure II. (b) Increasing exponential through \((0,1)\), with horizontal asymptote \(y=0\).

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