SOLUTION: Please help! explain this this function in true or false questions: F(x) = x^3 - 3x^2 - 40x
http://i.imgur.com/6Lt30z3.png
Thank you
Algebra.Com
Question 906735: Please help! explain this this function in true or false questions: F(x) = x^3 - 3x^2 - 40x
http://i.imgur.com/6Lt30z3.png
Thank you
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
You already posted the same question to which I gave my response.
Note that a root (also called a zero) of a polynomial function is ALSO one of its solutions. This means that an x-axis intercept of a polynomial function is a solution.
You can find the y-axis intercept by setting x=0 and evaluate the function.
(REMINDER: Your factorization which you later gave is correct.)
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