Mathematics for IGCSE & O level - Graphs Of Functions (Section 3 - No. 25)
Which statement is true about the graph of y = 1/x?
The graph has vertical and horizontal asymptotes.
The domain includes all real numbers.
The range includes all real numbers.
It is symmetrical about the y-axis.
Explanation
The graph has asymptotes at x=0 and y=0, so the range and domain do not include all real numbers and is not symmetrical about the y-axis, but rather the origin.
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