A polynomial function of degree 5 crosses the x-axis 3 times and crosses the y- axis once. Which statement is true? The polynomial function has 5 roots, and all 5 of the roots are real numbers.
The polynomial function has 5 roots, and none of the roots are real numbers.
The polynomial function has 5 roots, but only 3 of the roots are real numbers.
The polynomial function has 5 roots, but 4 of the roots are real numbers.