Питання | Сторінка 141670

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

f(x) = (x + 1)(x - 4)(x - 1)²

-1, crosses the x-axis;

4, crosses the x-axis;

1, crosses the x-axis

1, crosses the x-axis;

-4, crosses the x-axis;

-1, touches the x-axis and turns around

1, crosses the x-axis;

-4, touches the x-axis and turns around;

-1, touches the x-axis and turns around

-1, crosses the x-axis;

4, crosses the x-axis;

1, touches the x-axis and turns around

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