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    katerinarrrrrrr's Avatar
    katerinarrrrrrr Posts: 1, Reputation: 1
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    #1

    Jun 13, 2012, 10:03 PM
    find the value of f(3) if f(x)=2x^3-4x^2+x
    I have a question. Can any one help me figure out how to evaluate this equation?
    push1t's Avatar
    push1t Posts: 8, Reputation: 2
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    #2

    Jun 14, 2012, 03:33 AM
    It's quite simple, all it's asking is replace all the x's in the function with the 3 you have. You can think of it as the input being 3 into the function f(x) and the process is defined by the expressing 2x^3-4x^2+x, and write down the value you're left with.
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #3

    Jun 14, 2012, 03:56 AM
    just replace the x 4 3 and then u get the answer!
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