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What is this? Please answer with an explanation

What is this? Please answer with an explanation
asked 153k views
1 vote
What is this? Please answer with an explanation

What is this? Please answer with an explanation-example-1
asked
User Mo Alaz
by
7.6k points

2 Answers

3 votes

Answer:

see explanation

Explanation:

Given

f(x) = -
√(x+11) - 3 ← substitute x = - 7

f(- 7) = -
√(-7+11) - 3

= -
√(4) - 3

= - 2 - 3

= - 5 ← output is real

answered
User Mariella
by
8.8k points
3 votes
-5 would be the answer
answered
User Sergey Orshanskiy
by
8.4k points
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