Answer:
D and E
Step-by-step explanation:
A. The function is increasing on the interval [3, 5) - False, correct interval is [3, + ∞)
B. The function is increasing on the interval (0, 3) - False, as shown above
C. The vertex is (0, 3) - False, the vertex is (3, 0)
D. The vertex is (3, 0) - TRUE
E. The y-intercept is (0, 3) - TRUE
F. The y-intercept is (3, 0) - False, the correct one is given above