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leonid [27]
3 years ago
10

The length of a rectangular room is 7.4m and it's width is 5.5m. Find the area of the room.

Mathematics
1 answer:
oee [108]3 years ago
7 0
Area of a rectangle is
length\times width
(7.4×5.5)m
=40.7m
therefore the area of the room is 40.7m
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Answer:

The expression used to represent g(x) as inverse of f(x) is \frac{1}{5}(5x-25)+5

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Step-by-step explanation:

We are given:

f(x)= 5x-25\\g(x)=\frac{1}{5}x+5

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g(f(x))=\frac{1}{5}(5x-25)+5

So, the expression used to represent g(x) as inverse of f(x) is \frac{1}{5}(5x-25)+5

Option B is correct.

We can also solve to prove that g(f(x))=x

g(f(x))=\frac{1}{5}(5x-25)+5\\g(f(x))=\frac{5}{5}(x-5)+5\\g(f(x))=x-5+5\\g(f(x))=x

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