If f(x + 8) = f(x) + f(10), x = R, prove that:(i) f(-6)= -f(10)

Kseniya asked Nov 1, 2023

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Kseniya asked Nov 1, 2023

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16 votes

If x = 2,

f(10) = f(2) + f(10), meaning f(2)=0.

If x = -6,

f(2) = f(-6) + f(10)

0 = f(-6) + f(10)

f(-6) = -f(10)

Romanz answered Nov 6, 2023

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