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Answered

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Precalc Help pls!!! I am stuck on this one so pls help :))))))

Precalc Help Pls I Am Stuck On This One So Pls Help class=

Sagot :

semsee45

Answer:

x ≠ 7  

(x < 7 or x > 7)

{x : x < 7 U x > 7}

Step-by-step explanation:

f o g = f [ g(x) ]

This means replace the x of f(x) with g(x):

f o g = [tex]\frac{4}{|g(x)|} =\frac{4}{|x-7|}[/tex]

domain = set of values that go into the function

Therefore, for f o g, domain is x ≠ 7 as the function is undefined when x = 7.

So this can be written as (x < 7 or x > 7)  or  {x : x < 7 U x > 7}

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