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Alex_Xolod [135]
2 years ago
7

Can someone pls help me?

Mathematics
1 answer:
Sladkaya [172]2 years ago
8 0

Answer:

b

Step-by-step explanation:

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f(x)= 1 / x-3 g(x)= 3x + 1/x A. Use composition to prove whether or not the functions are inverses of each other. B. Express the
Alisiya [41]

Step-by-step explanation:

(A) To find inverse of f(x) = y = 1 / x - 3 :

<u>Transform in terms of x</u>

y = 1 / x - 3

x - 3 = 1 / y

x = 3 + 1 / y

<u>Exchange x with y</u> :

{f}^{ - 1} (x) = 3 +  \frac{1}{x}

Therefore, g(x) is not inverse of f(x) and vice versa.

(B)

Domain of f(x) = R - {3}

Domain of g(x) = R - {0}

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3 years ago
Dawn has 5/6 of a yard of lace. She uses 4/5 of it for a dress and the rest of it for a jewel box. How much does she use for the
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5/6-4/5=1/30
She uses 1/30 yard of lace for the jewel box.
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3 years ago
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What is 18-2x(4+3) I need the answer
Rzqust [24]
X= -12.5 you add (4+3) then, you combine it with 18 to get 25, then you divide 25 by -2x
5 0
3 years ago
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Proof Pythagorean identities:
dimulka [17.4K]
<h2>Sorry, But I don't know!!</h2>
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3 years ago
I need this answer fast! Please!
vovangra [49]

Answer:

\large\boxed{\begin{array}{c|c|c|c}Length:&4cm&2cm&8cm\\Width:&6cm&12cm&3cm\\Height:&9cm&9cm&9cm\end{array}}

Step-by-step explanation:

The formula of a volume of a cube with side length a:

V=a^3

We have a = 6cm. Substitute:

V=6^3=216\ cm^3

\begin{array}{c|c}216&2\\108&2\\54&2\\27&3\\9&3\\3&3\\1\end{array}

216=2\cdot2\cdot2\cdot3\cdot3\cdot3=(2\cdot2)\cdot(2\cdot3)\cdot(3\cdot3)=4\cdot6\cdot9\\\\216=2\cdot2\cdot2\cdot3\cdot3\cdot3=2\cdot(2\cdot2\cdot3)\cdot(3\cdot3)=2\cdot12\cdot9\\\\216=2\cdot2\cdot2\cdot3\cdot3\cdot3=(2\cdot2\cdot2)\cdot3\cdot(3\cdot3)=8\cdot3\cdot9\\\vdots

7 0
3 years ago
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