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Mathematics 9 Online
OpenStudy (anonymous):

If f(x)=x^2+3x+5, what is f(-1)?

OpenStudy (anonymous):

Plug in -1 for the x and do it!!

OpenStudy (anonymous):

I did but the answer in the back of my textbook was wrong so I want to make sure I got the right answer.

OpenStudy (anonymous):

Okay, let's go step by step then. Step 1... :-) What's -1^2 ?

OpenStudy (anonymous):

plug in -1 into all the x's. so itd be \[-1^2+3(-1)+5\]

OpenStudy (anonymous):

so itd be 3

OpenStudy (anonymous):

Are you there?

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