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Umnica [9.8K]
3 years ago
12

The graph of the piecewise function f(x) is shown.

Mathematics
2 answers:
Vika [28.1K]3 years ago
7 0
Answer:  [A]:  The domain is:
_________________________________
    {x | 1 ≤ x < 5}  .
________________________________________

Note:  The answer choices given for "A" and "B" are the same;  you meant to type:
_________________________
  [A]:   {x | 1 ≤ x < 5}  ;
_________________________
  [B]:   {x | 1 < x < 5} ;
__________________________
 I know this from the answer choices given in the "image/figure" you have attached.   Since:  " {x | 1 ≤ x < 5} "
__________________________________________      
   is the correct answer, I just need to remind you to be sure to know that the 
               "  ≤ " is the appropriate sign.
__________________________________________________
Bezzdna [24]3 years ago
5 0

First of all, it asks for domain, which is allowed x values.

So immediately we can rule out last 2 answer choices.

If you look at the graph, the allowed x values are from 1 to 5.

<u>Note: </u><u>closed circle</u><u> means that number </u><u>is included</u><u> and </u><u>open circle</u><u> means that number is </u><u>NOT included</u>

Now we see that 1 has closed circle so 1 is included and there is an open circle at 5, so 5 is NOT included.

Correct domain is {x | 1\leq x.


ANSWER: Domain is {x | 1\leq x

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Consider the following statement. If r is any rational number and s is any irrational number, then r s is irrational. (a) Which
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s \to irrational number

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