Question 310426
You can find the zero by setting f(x)=0.
{{{sqrt(3x-14)-8=0}}}
{{{sqrt(3x-14)=8}}}
{{{3x-14=64}}}
{{{3x=78}}}
{{{x=26}}}
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You can graph the function, and make a note of the zero, if that's what you mean.
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{{{ drawing( 300, 300, -5,45, -10, 10, grid(1),circle(26,0,1),circle(14/3,-8,1),graph( 300, 300, -5,45, -10, 10, sqrt(3x-14)-8) )}}}