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aliya0001 [1]
3 years ago
6

Given that ​f(x)=x^2 -19 and ​g(x)=17 -x, find ​(f-​g)(5​), if it exists.

Mathematics
1 answer:
pashok25 [27]3 years ago
4 0

x^2 - 19 - (17 - x).

<em><u>Distribute -1 to each term of g(x).</u></em>

x^2 - 19 - 17 + x.

<em><u>Replace x with 5.</u></em>

5^2 - 18 - 17 + 5

25 - 18 - 17 + 4

<em><u>Simplify.</u></em>

-6 is your answer.


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