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30 votes
30 votes
Find f(4) when f(x)= x^2 + 5x +2

User Vaclav
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1 Answer

10 votes
10 votes

In order to find f evaluated at 4, we need to replace the number 4 into the place of x, that is,


f(4)=(4)^2+5(4)+2

which gives


f(4)=16+20+2

Therefore, the answer is:


f(4)=38

User Mazzu
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2.8k points