Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis f(x)=(x-1/3)^2(x-4)^5 Solution Here, For x-intercept, F(x)=0, (x-1/3)^2 * (x-4)^5 Thus, x= 1/3 and x= 4 are the solutions. For x>4, the graph will be above X-axis..