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Mila [183]
3 years ago
9

Solve For X 4/5+18/x=8

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0
4/5+18/x=8
18/x=8-4/5
18/x=36/5
90=36x
x=5/2
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F:x→(x+1/x+3), x≠3 and g:x→(6/x-2), x≠2, find f²(4) and g²(1/2)​
Sveta_85 [38]

Answer:

f^2(4) =  (\frac{25}{49})\\g^2(\frac{1}{2} ) = 16

Step-by-step explanation:

Here, given:

f(x) = (\frac{x+1}{x+3} ), g(x) = (\frac{6}{x-2} )

Now, here  to find the values of f^2(4), g^2(\frac{1}{2})

As we know: f^n(x) = (f(x))^n

Now, substituting x = 4 in f(x):

f(4) = \frac{4 +1}{4+3}  = \frac{5}{7} \\\implies f^4 = (f(4))^2  =  (\frac{5}{7} )^2 = \frac{25}{49} \\\implirs f^{(4)} =  ( \frac{25}{49})

Now, substituting x = 1/2 in g(x):

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3 years ago
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81 pages.

Step-by-step explanation:

Tuesday: 3 x 3 = 9

Wednesday: 9 x 3 = 27

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