Line M is represented by the following equation: x − y = 8 Which equation completes the system that is satisfied by the solution (18, 10)? (4 points) Question 1 options: 1) 2x − y = 26 2) x + y = 18 3) 2x − 2y = 36 4) x − y = −28

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.