cyndiann2002 cyndiann2002
  • 16-05-2019
  • Mathematics
contestada

What is the solution of log base 3x + 4 * 4096 = 4?

x = −1
x = 0
x = 4 over 3
x = 3

Respuesta :

kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 16-05-2019

Answer:

[tex]x=\frac{4}{3}[/tex]

Step-by-step explanation:

The given logarithmic equation is

[tex]\log_{3x+4}(4096)=4[/tex]

We take antilogarithm to get:

[tex]4096=(3x+4)^4[/tex]

We write the left hand side as a power.

[tex]8^4=(3x+4)^4[/tex]

Since the exponents are the same the bases are also equal.

[tex]8=3x+4[/tex]

[tex]8-4=3x[/tex]

[tex]4=3x[/tex]

Divide both sides by 3;

[tex]x=\frac{4}{3}[/tex]

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