video1.0<iframe src="https://www.loom.com/embed/4ffbd7b6e88d46c996fc77bc47a1ea77" frameborder="0" width="960" height="720" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>720960Loomhttps://www.loom.com720960https://cdn.loom.com/sessions/thumbnails/4ffbd7b6e88d46c996fc77bc47a1ea77-00001.jpg147p: The functions f and g, defined by f(x) = 8x^2 -2 and g(x) = -8x^2 +2, are graphed in the xy-plane above. The graphs of f and g intersect at the points (k,0) and (-k, 0). What is the value of k? a: 1/4 ; 1/2 ; 1 ; 2 ;