Question $3(Mandatory)(1$ point$)$

Determine the point$(s)$ where $f(x)=2x^2-1$ and its reciprocal function intersect.

$a(1,1),(-1,1),$ and $(0,-1)$

$b(1,1)$ and $(-1,1)$

$c(-1,1)$

$d(1,1)$