f(x) = l x l
If x ≥ 0, f(x) = x and if x < 0, f(x) = -x.
So, for example, f(0) = 0, f(1) = 1, f(2) = 2, f(-1) = l-1l = -(-1) = 1, f(-2) = l-2l = -(-2) = 2.
The graph of f(x) = l x l is V shaped with lowest point (0,0).
2 Answers By Expert Tutors
See the videa.
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