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OpenStudy (anonymous):
if f(x)=x^2+2x,find f(-1)
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OpenStudy (anonymous):
is -1 the anwser
OpenStudy (ankit042):
put x=-1 in the equation
OpenStudy (anonymous):
i did and got -1
OpenStudy (anonymous):
is that right
OpenStudy (ankit042):
It is correct!
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