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The following equation defines f(x)=-3x-5 . If (-5,n) is an ordered pair of the function rule, what is the value of n?

User Wijitha
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1 Answer

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Given:

The function is


f(x)=-3x-5

(-5,n) is an ordered pair of the function rule.

To find:

The value of n.

Solution:

If (-5,n) is an ordered pair of the function rule, then the function must be satisfied by the point (-5,n). It means f(-5)=n.

Substitute x=-5 in the given function.


f(-5)=-3(-5)-5


f(-5)=15-5


f(-5)=10

We know that,
f(-5)=n. So,


n=10

Therefore, the value of n is 10.

User Cansadadeserfeliz
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