Help how do you solve this (step by step preferably please) 7^x5^y7^z
1 answer:
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Answer:
B
Step-by-step explanation:
Let divide g(x) by f(x)
The domain of a rational function cannot equal zero so let set the bottom function to zero.
Square both sides
Also we can simplify the bottom denomiator into a square root function
The domain of a square root function is all real number greater than or equal to zero because a square root of a negative number isn't graphable.
So we must find a answer that
- Disincludes 4 from the interval
- Doesnt range in the negative number or infinity)
- Range out in positve infinity
- The answer to that is B