Question

For the function ƒ(x) = |x + 3| – |x + 1| – |x – 1| + |x – 3|, identify correct option(s)
(A) Range of ƒ(x) is (–, 4]
(B) maximum value of ƒ(x) is 4
(C) ƒ(x) = 4 has infinite solutions
(D) ƒ(x) = 0 has infinite solutions

Answer 1

Answer:

maximum value of f( x) is 4

Answer 2

Answer: the answer is this-