Question

if f(x) =,2^x prove that f(x+1)=4f(x-1) Don't write I don't know or any useless
answer.

Answer 1

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Step-by-step explanation:

ANSWER ::

f(x+1)=2^(x+1)= 2^(x-1)× 2^2=4× 2^(x-1) = 4f(x-1)