Given the function k described by k (x) = x + 18, how do you find k(-11)?

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Given the function k described by k (x) = x + 18, how do you find k(-11)?

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Answer 1 · 2015-09-29T13:35:20

$k(-11)=7$

Explanation:

To find the value of a function for the specified argument you have to replace every occurence of the variable in the function formula with the supplied value:

$k(color(red)(-11))=color(red)(-11)+18=7$

As you can see every occurence of variable $x$ is replaces with number $-11$

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Given the function k described by k (x) = x + 18, how do you find k(-11)?

1 Answer

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