math help please! logarithms log!?

which equation is equivalent to y=3^x?

a) log 3 x=Y( 3 is the base)

b) log y x=3 (y is the base)

c)log y 3= x ( y is the base)

d) log 3 y= x (3 is the base)

Top 1 Answers

A few days ago

Anonymous

Favorite Answer

Consider for instance that if

2^3 = 8

then 3 is called the logarithm of 8 with base 2. You could write this as

3 = log28. (2 is the base)

So if in our case we are looking for the equivalent of

3^x = y then

x = log3y (3 is base)

and the right answer is d)

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