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    lilritch90's Avatar
    lilritch90 Posts: 1, Reputation: 1
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    #1

    Feb 11, 2007, 09:18 PM
    Pre cal
    Can ay one do my pre cal homework
    kb0480's Avatar
    kb0480 Posts: 2, Reputation: 1
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    #2

    Feb 21, 2007, 12:08 PM
    find (f-g)and(f+g)(2) for f(x)=4xsquared +x-2 andg(x)=5+4x+4xsquared
    precal sux's Avatar
    precal sux Posts: 3, Reputation: 1
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    #3

    Mar 7, 2007, 07:34 PM
    Quote Originally Posted by lilritch90
    can ay one do my pre cal homework
    Wow, I'm taking precal but I never saw this before!!
    xxshayexx06's Avatar
    xxshayexx06 Posts: 1, Reputation: 1
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    #4

    Mar 7, 2007, 08:06 PM
    Quote Originally Posted by lilritch90
    can ay one do my pre cal homework
    Hey the only one who can do your homework is u... well anyone can do it but your the one who needs to understand it... dont wry u'll get it eventually!!
    asterisk_man's Avatar
    asterisk_man Posts: 476, Reputation: 32
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    #5

    Mar 9, 2007, 12:34 PM
    Quote Originally Posted by kb0480
    find (f-g)and(f+g)(2) for f(x)=4xsquared +x-2 andg(x)=5+4x+4xsquared
    f-g = 4x^2+x-2 - (5+4x+4x^2) = 4x^2+x-2-5-4x-4x^2
    now just collect like terms and you're done!

    do similarly for f+g but then just substitute 2 for x and calculate the result.

    ask if you don't understand some step.
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