Item 3 The Hampton family used 17,158 kilowatts of electricity last year. They used about the same amount of electricity each we
1 answer:
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That is a distance formula I was gonna type it but I didn’t have the symbols so use the picture attached.
Answer:
The value of the Rational expression when is:
Step-by-step explanation:
For this exercise is important to remember:
- When a negative number is raised to an even power, the result will be positive.
- The multiplication of signs:
Then, given the following Rational expression:
You need to follow these steps in order to find its value when :
1. Substitute the given value of "x" () into the expression:
2. Evaluate and simplify: