What’s does 2+2 evaluation to
1 answer:
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Answer:
x≠-3 or x<-3 and -3<x or (∞,-3) and (-3,∞)
Step-by-step explanation:
If the expression you have given is then the domain is x≠-3
This is because in a function that is a fraction the denominator can never equal 0, otherwise you are dividing by 0 which is undefined.
Here the denominator is x+3 and so to find the undefined value of x:
Set x+3 equal to 0:
x+3=0
Subtract 3:
⇒ x=-3
That value is undefined since it results in the division of 0 which also means that it is not in the domain.
Answer:
Step by step explanation:
Given that,
Solution:
Solving for (f•g)(x):
Now substitute the given values.
Apply distributive property:
Hence,f•g(x) will be .
Answer:
This is the same as saying 18*sqrt(2) or you could say 18√2
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Explanation:
We'll be using this square root rule:
So we could have this as our steps:
Therefore,
The basic idea is to first combine the roots using that rule. From there, we factor the radicand such that we pull out the largest perfect square factor. This will allow us to break the root apart and fully simplify it.