Question 51800
{{{f(x) = sqrt(4x^2 - x)}}}
{{{0 = sqrt(4x^2 - x)}}}
{{{0 = 4x^2 - x}}}
{{{0 = x(4x - 1)}}}
x = 0 and 4x - 1 = 0
4x = 1
x = 1/4 and x = 0