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25-09-2020
Mathematics

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Which expression represents the inverse of f(x) = 8^x + 13 ?

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mhanifa mhanifa

25-09-2020

Answer:

f⁻¹(x) = log₈ (x -13)

Step-by-step explanation:

See steps

f(x) = 8^x + 13
y = 8^x + 13
x = 8^y + 13
8^y = x - 13
y = log₈ (x -13)
f⁻¹(x) = log₈ (x -13)

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