Question

1. Which of the following is logarithmic function *​

Answer 1

Answer:

The logarithmic function y = logax is defined to be equivalent to the exponential equation x = ay. y = logax only under the following conditions: x = ay, a > 0, and a≠1. It is called the logarithmic function with base a. Consider what the inverse of the exponential function means: x = ay.

Step-by-step explanation:

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Answer 2

Option 3 is correct.

Option 1: y = 0.25x

since, power of x is 1 in this function.

Thus this is a linear function.

Option 2: y = x^0.25

Here, in this function power of x is 0.25

So, It is a polynomial function.

Option 3: y = log₍₀.₂₅₎x

In this function we can see the term with log written.

Thus this is a Logarithmic function with base 0.25

Option 4: y = (0.25)^x

In this function x is in the power of 0.25.

Thus this is a exponential function.

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