Thread: some graphing help

If f(x)=x(x-1)(x-4)^2, use interval notation to give all values of x where f(x)>0. My answer is (0,1) u (4,infy), thanks for looking it over with me.

Originally Posted by kwtolley

If f(x)=x(x-1)(x-4)^2, use interval notation to give all values of x where f(x)>0. My answer is (0,1) u (4,infy), thanks for looking it over with me.

as , and its roots are , with the last having a multiplicity of 2 (and so the function just touches the x-axis at . So in:



RonL

thanks for looking at the problem. that really helped me