SOLUTION: for f(x)=X^2+2x.find f(-1)

Question 644566: for f(x)=X^2+2x.find f(-1)
Found 2 solutions by jim_thompson5910, MathLover1:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
f(x) = x^2+2x

f(-1) = (-1)^2+2(-1)

f(-1) = 1+2(-1)

f(-1) = 1-2

f(-1) = -1

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Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

for find

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