venancioefrain venancioefrain

13-09-2020
Mathematics

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Find the domain and range of f(x)=|x|+ cos x
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oscar236 oscar236

13-09-2020

Answer:

Domain All real x.

Range f(x) >= 1.

Step-by-step explanation:

The domain is all real numbers.

|x| is always positive.

At x = 0:

f(x) = |0| + cos 0

= 1 which is the minimum value.

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