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MrRissso [65]
3 years ago
9

Can someone help me pls

Mathematics
1 answer:
enot [183]3 years ago
8 0

72 would be the answer

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Is a relation always a function? Is a function always a relation? Explain.
katen-ka-za [31]

A function is always a relation but relation is not always a function

<u>Solution:</u>

Given that, we have to explain Is a relation always a function and is a function always a relation

Note that both functions and relations are defined as sets of lists.  

In fact, every function is a relation. However, not every relation is a function.  A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y.

That is, given an element x in X, there is only one element in Y that x is related to.

For example, consider the following sets X and Y. Let me give you a relation between them that is not a function;

X = { 1, 2, 3 }

Y = { a , b , c, d }

Relation from X to Y : { (1,a) , (2, b) , (2, c) , (3, d) }

This relation is not a function from X to Y because the element 2 in X is related to two different elements, b and c

Relation from X to Y that is a function: { (1,d) , (2,d) , (3, a) }

This is a function since each element from X is related to only one element in Y. Note that it is okay for two different elements in X to be related to the same element in Y. It's still a function, it's just not a one-to-one function.

So, we can say that function is a type of relation.

Which means whatever a function occurs, it will be a relation from one set to other.

But when a relation occurs it may be a function but need not be always a function.

Hence, a function is always a relation but relation is not always a function.

8 0
3 years ago
PLEASE HELP ME!!!!!!!!! Two stores carry a similar stereo for the same original price of $573. One store offers a 16% discount a
baherus [9]
The second store price is cheaper beacuse 16% of 573 gives off $91.68 and when u do that u get $481.32 so 458.40 is cheaper.
8 0
3 years ago
Find the qoutient 13 divided by 1649 plz for me
kumpel [21]
13/1649= 0.0078835658
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3 years ago
How long will it take you to drive 175 miles at a speed of 25 miles per hour?
krek1111 [17]
I believe it would take you 7 hours at that miles per hour
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3 years ago
BRAINLIEST+STARS
Evgen [1.6K]

Answeri really cant see the bottom answers can you take a new picutre

Step-by-step explanation:

8 0
2 years ago
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