write a range finding formula
Answers
Question :--- we have to tell how to Find range of any given data , or any formula it have ?
Answer :---
- First of all To calculate range, write down all of the numbers in your set in ascending order .
- Than identify the highest and lowest numbers in the set.
- Now, Subtract the smallest number in your data set from the largest number.
- The Resulting Number is our Range .
Example :-
Finding the range of a function is the same as finding all values that could be.
To do this, we can think of it this way:----
The range of f(x) is all the y-values where there is a number x with y = f(x)
We can try and motivate how to find this with an example. Let's try to find the range of:---
→ f(x) = x² + 1.
So , we want to find y-values such that there is some where y = x²+1.
→ Suppose we want to check if x = 5 is in the range of f(x).
→ Then, we want to check if there is an
x-value such that x²+1 = 5 .
Solving this we get,
→ x² +1 = 5
→ x² = 5 - 1
→ x² = 4
Square - root both sides ,
→ x = ± 2.
Hence, Either x is 2 or (-2) and we know that y = 5 is the range of f(x)...
Answer:
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