Which of the following is an example of perpendicular line segments? a. slats on a fence b. horizontal lines in a notebook c. the segments that form the capital letter a d. adjacent sides of a square tile

The graph of the function f(x) = (x + 2)(x + 6) is shown below. which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.