Mathematics for IGCSE & O level - Graphs Of Functions (Section 3 - No. 46)
When plotting the graph for y = 1/x, why is it essential to consider points where x is close to zero?
To determine the y-intercept.
To clearly show the vertical asymptote.
To show the turning point.
To easily get the y-axis.
Explanation
As x approaches 0, the curve goes to infinity and produces a vertical asymptote.
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