Please help ;-; i need this by tomorrow

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Factor the polynomial expression x6 – x3 – 20

Which is the factored form of the polynomial p(x) shown here?