gratis0101 gratis0101
  • 12-03-2018
  • Mathematics
contestada

Solve log2 ( x - 1 ) + log2 ( x + 1 ) = 3

check answers are in domain

Respuesta :

trashchet trashchet
  • 12-03-2018
The answer is x=3, It doesn't have any domain restrictions, Therefore it covers all real numbers x∈R
Answer Link

Otras preguntas

Choose the right variant 1 This book will take to years to write. A. After two years I'll write this book B. In two years time I'll have written this book C . A
Which choice is equivalent to the expression below? 5x sqrt 2 - 2 sqrt 2 + 2x sqrt 2 A. 7x sqrt 2 - 2 sqrt 2 B. 2x^2 sqrt 2 C. 3x sqrt 2 D. 7x^2 sqrt 2
If a store credit account charges 1.5% interest each month, what is the APR?
let f(x)=2x-6. solve f^-1(x) when x=2.
If a store credit account charges 1.5% interest each month, what is the APR?
Which choice is equivalent to the expression below? 5x sqrt 2 - 2 sqrt 2 + 2x sqrt 2 A. 7x sqrt 2 - 2 sqrt 2 B. 2x^2 sqrt 2 C. 3x sqrt 2 D. 7x^2 sqrt 2
Choose the right variant 1 This book will take to years to write. A. After two years I'll write this book B. In two years time I'll have written this book C . A
why do we use a coeficient to remove the propotionality
what value of a makes the equation true? 9a+2=4a-18
let f(x)=x+8 and g(x)=x^2 -6x-7. find f(g(2))