Question

Let f(x) = -|x|, then range of f is



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Answer 1

Answer:

Non-positive real numbers.

Step-by-step explanation:

(-infinity, 0]

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Answer 2

We know that, |x| ≥ 0

Multiply the inequality by -1

=> -|x| ≤ 0

=> f(x) ≤ 0

=> f(x) = (-∞,0]

Thus, range of f(x) is (-∞,0]