What must be a factor of the polynomial function f(x) graphed on the coordinate plane below?

Answer:
Option (2)
Step-by-step explanation:
On a graph, factors or zeros of a polynomial function f(x) are represented by the x-intercepts (values for y = 0).
From the graph attached,
Quadratic function has two x-intercepts, x = 1 and x = 6.
Therefore, (x - 1) and (x - 5) are the zero factors of the given polynomial.
Option (2) will be the answer.
Answer:its x-3
Step-by-step explanation:just took the test