ΔMNO ~ ΔPQR

What is the length of x?

1
2
1
1

What is the value of x when x + 7 = 21?

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.

What is the answer to this problem? ignore the work. what is the correct answer?