Question 157333
a) Correct
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.
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b) The answer to a) is also the answer for b)
The x-intercepts occur when f(x)=0.
{{{f(x)=0}}}
{{{2x^2-6=0}}}
{{{2x^2=6}}}
 {{{ graph( 300, 300, -5, 5, -10, 10, 2x^2-6) }}}