Question

Which of the following is a logarithmic function

Answer 1

The logarithmic function is the function of the form

$y=\log_ax,$

where a is called the base and $a>0,\ a\neq1.$

A. The function $y=\log_3x$ is logarithmic function, because $3>0,\ 3\neq 1.$

B. The function $y=3^x$ is exponential function.

3. The function $y=x+3$ is linear function.

4. The function $y=x^3$ is cubic function.

Answer: correct choice is A

Answer 2

The first one

Y=log3x one