Determine whether or not the graph of f(x) = 3(x-2)4/5 has a vertical tangent or vertical cusp at x = 2. a) neither vertical cusp b) c) both d) vertical tangent Question 5 Determine whether or not the graph of f(x) = 9 x/5 - 7 x6/5 has a vertical tangent or vertical cusp at x = 0. a) neither b) vertical cusp c) both d) vertical tangent Question 6 Determine whether or not the graph of f(x) = 6 + (2 - x) /7 has a vertical tangent or vertical cusp at x = 2. a) O vertical cusp b) vertical tangent both d) neither