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07-12-2019
Mathematics

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logy
Solve 4^x+2 = 12 for x using the change of base formula log, y = 10
log b

Respuesta :

MathPhys MathPhys

07-12-2019

Answer:

x ≈ -0.208

Step-by-step explanation:

4^(x + 2) = 12

log₄ 4^(x + 2) = log₄ 12

x + 2 = log₄ 12

x + 2 = (log 12) / (log 4)

x = -2 + (log 12) / (log 4)

x ≈ -0.208

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