contestada

Explain how solve 4x + 3 = 7 using the change of base formula log base b of y equals log y over log b. Include the solution for x in your answer. Round your answer to the nearest thousandth.

any help is appreciated!

Respuesta :

alexgoze

The the more simple way than you can add your log y and log b but x=1

Answer:

x=1

Step-by-step explanation:

Given is an exponential equation

[tex]4^x+3=7\\[/tex]

Subtract 3 from both the sides

We get

[tex]4^x=4[/tex]

Taking log

[tex]x=log_4 ^4[/tex]

=1