6
algebraSolve: (Non-linear preview)
A
B
or
C
D
or
Correct Answer: A
Choice A is the correct answer. Factor and test intervals.
- Factor:
- Roots:
- Test Intervals:
- : Neg Neg = Pos ()
- (e.g., 0): Neg Pos = Neg () ??n - : Pos Pos = Pos ()
- Result:
?�� Strategic Tip: "Less than" for a parabola opening up is the region "between" the roots.
Choice B is incorrect because it describes the outside region (). Choice C is incorrect because it has wrong roots. Choice D is incorrect because it has wrong roots.