0
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
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Earn +20 ptsQ: Let f x equals x2 plus 5x plus 3 Find f 2?
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