SOLUTION: Please help me to figure this one out and more importantly understand it in laymens terms. Let f(x)=x to the second power + [x] Evaluate f(2), f(-2) I used substitution but this do

Question 308441: Please help me to figure this one out and more importantly understand it in laymens terms. Let f(x)=x to the second power + [x] Evaluate f(2), f(-2) I used substitution but this does not seem right.
Found 2 solutions by stanbon, JBarnum:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Please help me to figure this one out and more importantly understand it in laymens terms. Let f(x)=x^2 + [x]
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Evaluate f(2), f(-2) I used substitution but this does not seem right.
f(2) = 2^2+2 = 4+2 = 6
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f(-2) = (-2)^2+(-2) = 4-2 = 2
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Cheers,
Stan H.
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!

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