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What is f(5) for the function f(x)=2x+8?
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5 votes
What is f(5) for the function f(x)=2x+8?

User Rimu Atkinson
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2 Answers

4 votes
f(x)= 2x+8
f(5)= 2(5)+8
f(5)= 10+8
f(5)= 18
User Afterglowlee
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8.1k points
5 votes
Just subtitute 5 as x in the equation given for f.
2(5)+8=18.
User David Ziemann
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8.2k points
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