Question

What is the domain and range of $log (x^2)$ ?

Answer 1

Answer:

Domain:

(

2

,

∞

)

{

x

∣

x

>

2

}

since

log

is undefined for

0

or negative values

Range:

(

−

∞

,

∞

)

{

y

∣

y

∈

R

}

This can be verified with a graph:

graph{log(x-2)}