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Anarel [89]
3 years ago
15

If F(x)=9x which of the following is the inverse of F(x)

Mathematics
2 answers:
user100 [1]3 years ago
8 0

Answer:

Inverse of F(x)=9x = 1/9x

Step-by-step explanation:

If F(x)=9x

which of the following is the inverse of F(x)

When talking about inverse of a function, we are talking about reversal. Therefore, an inverse function is the inverse of another function. In order to get the inverse of a particular function, we reverse the denominator to become the numerator and the numerator to become the denominator.

So for the function,

F(x)=9x, the numerator is 9x and the denominator is 1

Reversing the numerator and denominator, .

Inverse of F(x)=9x = 1/9x

Dennis_Churaev [7]3 years ago
6 0

Answer:

F^{-1}(x)=\frac{1}{9} x

Step-by-step explanation:

In order to find the inverse of a function, you can follow the next steps:

Step 1: Write f(x)=y

Step 2: Solve for x

Step 3: Replace every x with a y and replace every y with an x

Step 4: Replace y with f^{-1}(x)

Step 5: Verify the result by checking that:

f(a)=b \rightarrow f^{-1}(b)=a

Therefore:

Step 1:

y=9x

Step 2:

x=\frac{y}{9}

Step 3:

y=\frac{x}{9}

Step 4

y=f^{-1}(x)=F^{-1}(x)=\frac{x}{9}

Step 5:

Let:

a=5

F(a)=F(5)=9*5=45\\\\Hence\\\\b=45

Now:

F^{-1}(b)=F^{-1}(45)=\frac{45}{9} =5

Since:

f(a)=b \rightarrow f^{-1}(b)=a

We have verified the result.

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