Find an equation of the line tangent to the graph of the function f(x) = 8x2 and parallel to the line 16x +y +6 =0 1) 16x ty +8=0 O 2) 12x - y +6=0 3) 16x -y +8=0 4) 16x ty +6= 0 5 ) 12 x ty + 6 = 0