What is the inverse of A(r)=15+3r ?

Yann Braga asked Oct 11, 2022

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Yann Braga asked Oct 11, 2022

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20 votes

Answer:

(r)/(3) - 15

Explanation:

Swap places with A(r) and r so we have

r = 15 + 3a(r)

Solve for a(r).

(r)/(3) = 15 + a(r)

(r)/(3) - 15 = a(r)

Michael Field answered Oct 15, 2022

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