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# Let f x equals x2 plus 5x plus 3 Find f 2?

Updated: 12/17/2022

Wiki User

14y ago

If I understand this right...

f(x) = x2 + 5x + 2

f(x) is a function, in this case a function of x. Using this function, you can say...

f(g) = g2 + 5g + 2

f(pi) = pi2 + 5pi + 2

All we're doing is substituting whatever's in the brackets on the other side. Thus...

f(2) = 22 + 5*2 + 2

Wiki User

14y ago

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Q: Let f x equals x2 plus 5x plus 3 Find f 2?
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