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Sagot :
Answer:
-2b
Step-by-step explanation:
since
|x| = x if x>0
and
|x| = -x if x<0
then it is -2b
The given modulus function at (b < 0) is written as (f(b) = -2b) and this can be determined by using the properties of the modulus function.
Given :
Expression -- |2b| where b < 0
The following steps can be used in order to rewrite the given expression:
Step 1 - The generalized modulus function is given by:
f(x) = |x|
Step 2 - When x > 0 the above function becomes:
f(x) = x
Step 3 - When x < 0 the above function becomes:
f(x) = -x
Step 4 - So, the given expression is also a modulus function. The given modulus function at (b < 0) is written as:
f(b) = -2b
For more information, refer to the link given below:
https://brainly.com/question/14070556
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