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Andru [333]
3 years ago
14

Can someone please help me

Mathematics
2 answers:
Verizon [17]3 years ago
7 0

Answer:

The answer is 0.9

Step-by-step explanation:

I got it right

EleoNora [17]3 years ago
7 0

Step-by-step explanation: ANSWER is B 0.9

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Step-by-step explanation:

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xeze [42]

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Step-by-step explanation:

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Find the inverse of the following function. Then prove they are inverses of one another.
solmaris [256]

Answer: \dfrac{x^2+1}{2}

Step-by-step explanation:

Given

f(x)=\sqrt{2x-1}

We can write it as

\Rightarrow y=\sqrt{2x-1}

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\Rightarrow y^2=2x-1\\\\\Rightarrow x=\dfrac{y^2+1}{2}

Replace y be x to get the inverse

\Rightarrow f^{-1}(x)=\dfrac{x^2+1}{2}

To prove, it is inverse of f(x). f(f^{-1}(x))=x

\Rightarrow f(f^{-1}(x))=\sqrt{2\times \dfrac{x^2+1}{2}-1}\\\\\Rightarrow f(f^{-1}(x))=\sqrt{x^2+1-1}\\\\\Rightarrow f(f^{-1}(x))=x

So, they are inverse of each other.

8 0
3 years ago
P= 40 + 0.15(40)<br> = 40 +
lyudmila [28]

Answer:

46

Step-by-step explanation:

p=40+0.15(40)

=40+6

8 0
3 years ago
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