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Option B:

is increasing function.

Solution:

A function is increasing when the f(x) value increases as x-value increases.

Option A:

Substitute x = 1 and x = 2 in f(x).

0.0666 > 0.0044

Here x is increasing but f(x) is decreasing.

So, the function is not increasing.

Option B:

Substitute x = 1 and x = 2 in f(x).

5 < 25

Here f(x) is increasing as x is increasing.

So, the function is increasing.

Option C:

Substitute x = 1 and x = 2 in f(x).

0.2 > 0.04

Here x is increasing but f(x) is decreasing.

So, the function is not increasing.

Option D:

0.5 > 0.25

Here x is increasing but f(x) is decreasing.

So, the function is not increasing.

Option B is the correct answer.

Hence is increasing function.

-1/2 +2

step-by-step explanation: