1 Let K(X) = - x2 + 2 The function k is increasing on the following interval(s): O ( -00, 00) O ( - 00 , a ) O ( -00, a] O (a, 0) [a, co) O (-00, a ) U (b , 00 ) O (-00, a] U [b, 00 ) (a, b) [a, b] ONone X a = 0 b = X k is decreasing on the following interval(s) : @ (-00, 00) O ( -Oo, C) ( - 0o, c ] O (C, 00) [ C, 00) O ( - oo, c) Uld, 00 ) O (-oo, c] U Id, 00 ) ( c, d) [c, d] None X C =..9............... d = x