SOLUTION: Which equation is equivalent to y=7x^5 A. Ln(y) = ln (7) + 5 ln (x) B. Y = ln (7) + 5 ln (x) C. Y = 7 + 5 ln (x) D. Ln (y) = 7 + 5 ln (x) E. Ln (y) = ln (7) - 5 ln (×)

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Which equation is equivalent to y=7x^5 A. Ln(y) = ln (7) + 5 ln (x) B. Y = ln (7) + 5 ln (x) C. Y = 7 + 5 ln (x) D. Ln (y) = 7 + 5 ln (x) E. Ln (y) = ln (7) - 5 ln (×)      Log On


   

Question 1064213: Which equation is equivalent to y=7x^5
A. Ln(y) = ln (7) + 5 ln (x)
B. Y = ln (7) + 5 ln (x)
C. Y = 7 + 5 ln (x)
D. Ln (y) = 7 + 5 ln (x)
E. Ln (y) = ln (7) - 5 ln (×)
Answer by ikleyn(52893) About Me  (Show Source):
You can put this solution on YOUR website!
.
No one of A) - E) is equivalent.

Because the given equation has the domain {all real numbers}.

The equations A) - E) have the domain (domains) {all real positive numbers}.

For example, the pair x= -1, y= -7 is the solution to the given equation. Agree?

Now check if this pair does suit to any of the equations A) - E), and everything will become clear to you (I hope).

I just answered this question before.