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Ket [755]
3 years ago
12

Consider the function attached below

Mathematics
1 answer:
Masja [62]3 years ago
4 0

Answer:

2

Step-by-step explanation:

Hello,

x=(fof^{-1})(x)=f(f^{-1}(x))=\sqrt{2f^{-1}(x)}+5\\\sqrt{2f^{-1}(x)} =x-5\\2f^{-1}(x)=(x-5)^2\\f^{-1}(x)=\dfrac{(x-5)^2}{2}

now let's replace x by 7 it comes

f^{-1}(7)=\dfrac{(7-5)^2}{2}=\dfrac{2^2}{2}=2

hope this helps

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You are buying lawn seed for the the football field a 10 pound bag of lawn seed covers 2000 square feet.
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The area of the football fields is 360 x 160 = 57,600 square feet.

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7 0
3 years ago
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AlladinOne [14]
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6 0
3 years ago
Which function has a domain of x 25 and a range of y s3?
lions [1.4K]

Answer:

Step-by-step explanation:

The function  has a domain x ≥ 5.

This is because the function remains real for (x - 5) ≥ 0 as negative within the square root is imaginary.

Hence, (x - 5) ≥ 0

⇒ x ≥ 5

Now, for all x values that are greater than equal to 5 the value of  will be negative.

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⇒  

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<em>Note: Thanks rani</em>

3 0
3 years ago
Answers? Or a hint please I’m begging
olga2289 [7]
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Hope this helps u <3
6 0
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