Question

. A relation : → is defined by
= {(, ): = 2 + 1 ; −2 ≤ ≤ 1; ∈ }. Find the domain and
range of
−1
. Also represent the relation
−1
in arrow diagram.

Answer 1

Step-by-step explanation:

anaerobic thermal degradation of wood means the slow conversion of wood into coal under the effects of high pressure, high temperature and an anaerobic bacteria. This process is also called carbonisation. This process occurs deep inside the earth.

Answer 2

Answer:

In domain and range of a relation, if R be a relation from set A to set B, then

• The set of all first components of the ordered pairs belonging to R is called the domain of R.

Thus, Dom(R) = {a ∈ A: (a, b) ∈ R for some b ∈ B}.

• The set of all second components of the ordered pairs belonging to R is called the range of R.

Thus, range of R = {b ∈ B: (a, b) ∈R for some a ∈ A}.

Therefore, Domain (R) = {a : (a, b) ∈ R} and Range (R) = {b : (a, b) ∈ R}

Step-by-step explanation:

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