Asked by Miley
                f(x)=7x^3+13x^3-3x^2. Find f(-6)
Also how do you solve this kind of question
            
        Also how do you solve this kind of question
Answers
                    Answered by
            Reiny
            
    notice that in the place of x in f(x) you now find a -6
so in the expression , replace x with -6 as well
f(x) = 7x^3+13x^3-3x^2
f(-6) = 7(-6)^3 + 13(-6)^3 - 3(-6)^2
= ...
I suspect a typo, why would you have two different cubic terms ?
    
so in the expression , replace x with -6 as well
f(x) = 7x^3+13x^3-3x^2
f(-6) = 7(-6)^3 + 13(-6)^3 - 3(-6)^2
= ...
I suspect a typo, why would you have two different cubic terms ?
                    Answered by
            Miley
            
    So for this kind of question. You just replace the variables right?
    
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