19. [-/3 Points] DETAILS LARCALC11 3.5.012. Find lim h(x), If it exists. (( x) - 5x2 + 2x + 4 ( a) h(x) - 1( x ) lim h(x) = * - 00 ' ( b ) h( x ) = 1x ) lim h (x) = (c) h ( x ) = ( x ) lim h (x ) = * -+ 00' Need Help? Read It 20. [-/3 Points] DETAILS LARCALC11 3.5.013. Find each limit, if it exists. (a) lim x * + 9 * - 900x4 (b) lim X " + 9 -+00 X - (c) lim * + 9 3 -00 x- 6 Need Help? Read It Watch It