Question 939373: I知 looking at a graph with one x-intercept,so it must be the
graph of a linear function? or is it a vertical line?
Answer by richard1234(7193)   (Show Source):
You can put this solution on YOUR website! Not necessarily. An x-intercept is a point where the graph of a function f(x) intersects the x-axis, i.e. f(x) = 0, and this implies nothing about f(x) being linear.
For example, y=x^3 has exactly one x-intercept at (0,0), but is not linear.
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