# Need help with an algebra test about an x-axis

**Question description**

1.Find the x-intercepts. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept.

f(x) = x^{3} + 2x^{2} - x - 2

f(x) = -2x

^{4}+ 4x

^{3}

f(x) = 2(x - 3)

^{2}+ 1

f(x) = x + 7/x

^{2}+ 49

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