Use the graph of the polynomial function f given below. -What is the domain of f

Question

Use the graph of the polynomial function f given below.

-What is the domain of f ? Express your answer using interval notation.
  

-What is the range of f ? Express your answer using interval notation.

-Evaluate f(0) .

-What are the roots of f ? Enter your answer as a number or string of numbers. Separate multiple answers with commas and if there are no roots write DNE. (For example, if the roots are 3 and 4 enter 3,4).

-On what interval(s) is f concave down? Express your answer using interval notation.

-On what interval(s) of x is f concave up? Express your answer using interval notation.

-On what interval(s) of x is f increasing? Express your answer using interval notation.

-On what interval(s) is f decreasing? Express your answer using interval notation.

Explanation / Answer

Given the graph:

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