h x x 7 x 1 Question 3 20 points Factor the following polynomial by grouping x x 2x 2 Which of the below is a factor of the polynomial O x 1 O x 2 0 x 2 O x 2 Question 4 20 points Use the graph of f x x 3x 4 to identify the values of x for which f x 0 4 f x 2 5 4 31 2 3 4