SOLUTION: if f(x)=x*(x+1)*(x-4), use interval notation to give all values of x where f(x)>0.
so we solve for 0=x*(x+1)*(x-4), in this case x= -1, and +4
or am i missing something.
tha
Algebra.Com
Question 48063: if f(x)=x*(x+1)*(x-4), use interval notation to give all values of x where f(x)>0.
so we solve for 0=x*(x+1)*(x-4), in this case x= -1, and +4
or am i missing something.
thank you.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
You are missing x=0.
So the number line is broken at -1,0, and 4.
Check the 4 resulting intervals to see where your solutions lie.
Cheers,
Stan H.
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