Answer each of the following questions with clear solutions and word explanations where they are appropriate.

1. Completely factor the polynomial '1") ' \"a + 7"": " m" . 2. What is the remainder when the polynomial f(x) - 4x.\" - 3x3 + x2 + 10x - 1 is divided by (x - 2) ' 3. What polynomial describes the graph below? 4. When to) is divided by (x - 2), the answer is 2x3 4:6 + 3x + l with a remainder of k + 7, and if fll)' '2 , then nd the value of 'k