Respuesta :

Answer:

option-C

Step-by-step explanation:

we know that

base of logarithm can be negative , zero and 1

so, base of log must be positive and not equal to 1

so, we will verify each options

option-A:

[tex]y=log_1_0x[/tex]

we can see that base=10 ...which is positive and not equal to 1

so, it is log function

this is FALSE

option-B:

[tex]y=log_\sqrt{3} (x)[/tex]

we can see that

[tex]base=\sqrt{3}[/tex]

we can see that base which is positive and not equal to 1

so, it is log function

this is FALSE

option-C:

[tex]y=log_1x[/tex]

we can see that base=1 ...which is positive and  equal to 1

so, it is not log function

this is TRUE

option-D:

[tex]y=log_\frac{3}{4} x[/tex]

we can see that base which is positive and not equal to 1

so, it is log function

this is FALSE


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