3 years ago

I need steps to find the equation of the inverse of the function f(x) = log2 (9x).

Mathematics

1 answer:

Step2247 [10]3 years ago

8 0

Answer:

f⁻¹(x) = 2ˣ / 9

Step-by-step explanation:

f(x) = log₂ (9x)

y = log₂ (9x)

swap y and x: x = log₂ (9y)

solve y: 9y = 2ˣ y = 2ˣ / 9

f⁻¹(x) = 2ˣ / 9

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