LON-CAPA func_trans001.problem

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$\textrm{If the graph } y \ = \ 9 x^{\scriptsize{2}} \ - \ 1 \textrm{ is shifted vertically up by 7 units,} \\ \textrm{at which point(s) does the resulting graph cross the } x \textrm{-axis?}$

$\textrm{-\frac{1}{3}}$

$\textrm{0}$

$\textrm{-\frac{\sqrt{6}}{3}}$

$\textrm{\frac{1}{3}}$

$\textrm{\frac{\sqrt{6}}{3}}$

$\textrm{None of the above}$

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