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Readme [11.4K]
3 years ago
9

Which two functions are inverses of each other?

Mathematics
2 answers:
elena-s [515]3 years ago
7 0

Answer:

i think its C on EDG 2020

Step-by-step explanation:

4x and 1/4

guapka [62]3 years ago
5 0

Answer:

The choices were typed wrong, but we can find the inverse of each option.

For function f(x)=x the inverse is the same function g(x)=x, because an inverse of a function is where their composition gives the independent variable as unique result.

If we do that with each function, we have:

f((g(x))=x; where f(x)=x and g(x)=x, we have

f((g(x))=x\\x=x

So they are inverse.

For f(x)=2x its inverse would be g(x)=\frac{1}{2}x, because

f(g(x))=2(\frac{1}{2}x)=x

For f(x)=4x, its inverse is g(x)=\frac{1}{4}x, because

f(g(x))=4(\frac{1}{4}x)=x

For f(x)=-8x, its inverse is g(x)=-\frac{1}{8}x, because

f(g(x))=-8(-\frac{1}{8}x)=x

There you have all inverses. Basically, if their composition results in x, that means they are inverse.

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Seperate the number 53 into 3 parts so that the second number is 3 less than the first number and the third number is twice the
irga5000 [103]
Hello,

Let a the first, b the second and c the third.
a+b+c=53
b=a/3
c=2a
==>a+a/3+2a=53
==>10a/3=53
==>a=15.9
c=2*a=2*15.9=31.8
b=a/3=15.9/3=5.3

Proof: a+b+c=15.9+5.3+31.8=53

The second number is 5.3
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LiRa [457]

Answer: 48 feet squared is the answer

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3 years ago
A-(buc)=(A-b)u(A-c)<br>​
kupik [55]

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Maksim231197 [3]

Answer:

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Step-by-step explanation:

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x₂ = - √15

3 0
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