$$9^{\frac{1}{2}}=81$$

$$81^{\frac{1}{2}}=9$$

$$\left(0.5\right)^9=81$$

$$\log_73=343$$

$$\log_7343=3$$

$$\log_37=343$$

$$\log_{-2}0.04=5$$

$$\log_{-2}5=0.04$$

$$\log_50.04=-2$$

-1

1

6

$$\frac{1}{7}$$

7

$$\frac{-1}{7}$$

3

-3

6

$$\frac{1}{9}$$

$$\frac{-1}{9}$$

10

(- $$\infty$$ ,1)

(1, $$\infty$$ )

$$\left(0,\infty\right)$$

$$\left(-1,\infty\right)$$

$$\left(-\infty,-1\right)$$

$$\left(1,\infty\right)$$

$$\left(3,\infty\right)$$

$$\left(-\infty,-3\right)$$

$$\left(-3,\infty\right)$$

R

$$\left(2,\infty\right)$$

$$\left(-2,\infty\right)$$

$$\left(0,-1\right)$$

$$\left(-1,0\right)$$

$$\left(0,1\right)$$

$$f\left(x\right)=\log_2x$$

$$f\left(x\right)=\log_5x$$

$$f\left(x\right)=\log_{\frac{1}{2}}x$$

$$\left(2,0\right)$$

$$\left(0,2\right)$$

$$\left(0,0\right)$$