Triangle abc is an obtuse triangle with the obtuse angle at vertex b. angle a must be
o
o
less than 90°
greater than 90°
congruent to angle b.
congruent to angle c.

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.