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    notamathwiz's Avatar
    notamathwiz Posts: 11, Reputation: 1
    New Member
    		  
    #1

    Jul 7, 2008, 01:06 PM
    F of X
    I will be thrilled if anyone could help me out with this problem.

    The problem is If f(x)=x+5
    Find F (-5)

    I got f(x) =(-5)+5

    x=0

    I keep second guessing myself.
    ISneezeFunny's Avatar
    ISneezeFunny Posts: 4,175, Reputation: 821
    Ultra Member
    		  
    #2

    Jul 7, 2008, 01:10 PM
    Well, you're right.

    except the x = 0 part.

    if f(x) = x + 5

    F(-5) = -5 + 5 = 0

    so x doesn't equal 0

    F(-5) = 0
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