Question

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Answer 1

The inverse of a function is n(a) = (a+30)/3 option (A) is correct by using the concept of the inverse of a function.

What is a function?

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a function:

a(n) =  3n - 30

To find make subject n and solve

a(n) + 30 = 3n

$\rm n = \dfrac{a(n) + 30}{3}$

Plug n = n(a) and a(n) = a

$\rm n(a) = \dfrac{a + 30}{3}$

Thus, the inverse of a function is n(a) = (a+30)/3 option (A) is correct by using the concept of the inverse of a function.

Learn more about the function here:

brainly.com/question/5245372

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