The points plotted below are on the graph of a polynomial. in what range of x-values must the polynomial have a root? check all that apply.

a. 2.5 to 3.5
b. 3.5 to 4.5
c. 5.5 to 6.5
d. -2.5 to -1.5
e. -1.5 to -0.5
f. 1.5 to 2.5