SOLUTION: if f(x) =x(x+3)(x-1), use interval notation to give all values of x where f(x)>0. Please explain your answer. Thank you

Algebra ->  Number-Line -> SOLUTION: if f(x) =x(x+3)(x-1), use interval notation to give all values of x where f(x)>0. Please explain your answer. Thank you      Log On


   

Question 72098: if f(x) =x(x+3)(x-1), use interval notation to give all values of x where f(x)>0.
Please explain your answer. Thank you
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
graph%28300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+x%5E3+%2B+2x%5E2+-+3x%29

f(x) > 0 when x is in (-3, 0) and (1, infinity)