Answer:
Explanation:
Put -2 where x is in the function and do the arithmetic. Any number of calculators will compute this for you.
x ≈ 0.23781036584 ≈ 0.2
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Comment on the above result
The number above came from the Google calculator (2nd attachment). Surprisingly, it is rounded incorrectly in the last displayed digit. To 20 significant digits, the value is ...
0.23781036584658190876
It appears the Google calculator didn't carry enough digits to get the answer correct in the last displayed decimal place.