9514 1404 393
Answer:
a, c
Explanation:
The vertex is at x=1 and the parabola opens downward, It is increasing for all values of x < 1, and decreasing for all values of x > 1.
The answer choices divide the increasing interval into two parts:
x < 0 . . . . . . . 1st choice
0 < x < 1 . . . . 3rd choice