Question number 4. Determine whether or not the graph of f($) = 3 + (3 $)3/7 has a vertical tangent or vertical cusp at 1' = 3. C) neither 0 vertical tangent (3- vertical cusp L) both Question number 5. Determine whether or not the graph of f(x) = 4 SEC/a: 7 4 has a vertical tangent or vertical cusp at x = 4. 0 vertical tangent O neither 0 vertical cusp 0 both Question number 3. Determine whether or not the graph of f(:L') = 9(1: (5)4/3 has a vertical tangent or vertical cusp at a: = 6. 0 vertical tangent O neither 0 vertical cusp 0 both Question number 12. Consider the function f(ac ) = (4 ac - 6 ac ) 3 . Which of the following is FALSE about this function? O The function is increasing on If / CO 1, 00 The function f(x) has vertical tangents at x = 0, and x = The function f(x) has critical points x = 0, and , x = If I CO - 20 10 / CO . The function has a local maximum at x = N / CO O The function has a local minimum at x = I CO ONone of the above