For which function is f(x) equal to f^1(x) ( answer choices in picture )

C.

Step-by-step explanation:

Let's find the inverse of each of the given options.

Option A:

To find , replace 'x' with 'y' and 'y' with 'x'. This gives,

Rewrite in terms of 'y'. This gives,

The given function

So, option A is incorrect.

Option B:

To find , replace 'x' with 'y' and 'y' with 'x'. This gives,

Rewrite in terms of 'y'. This gives,

The given function

So, option B is incorrect.

Option C:

To find , replace 'x' with 'y' and 'y' with 'x'. This gives,

Rewrite in terms of 'y'. This gives,

The given function

So, option C is correct.

Option D:

To find , replace 'x' with 'y' and 'y' with 'x'. This gives,

Rewrite in terms of 'y'. This gives,

The given function

So, option D is incorrect.

Therefore, only option C is correct.

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

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step-by-step explanation: