3.2
3.1622 rounded to the tenth = 3.2
Answer:
<h2>

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Step-by-step explanation:

To find f(19) , substitute the value of x that's 19 into f(x). That is for every x in f (x) replace it with 19
We have

We have the final answer as

Hope this helps you
Answer:5/7
Step-by-step explanation:
Assume the figure has three sides.
(a figure with three sides is always a triangle)