Abag contains purple marbles and green marbles, 55 in total. the number of purple marbles is 7 more than 2 times the number of green marbles. how many purple marbles are there?

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.