Use interval notation to write the intervals over which f is increasing, decreasing, and constant. Select "Never" if applicable. f(x)={(-x^(2)+1 for x 1):}

the correct answer is b.

this is because an open circle means < or > & since the line goes left it is < -3.

the next one has a filled circle so it can only be ≥ or ≤ and since the line goes right from 1 it is ≥ 1

hope that