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

    Apr 1, 2013, 07:34 AM
    indicated function values
    we are working on square roots. The question askes us to find the indicated function calues for f(x)= square root of 9x+7 then we are given f(1), f(-1), and F(2) can't figure out what to do
    mAsTeRiTy's Avatar
    mAsTeRiTy Posts: 18, Reputation: 1
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    #2

    Apr 1, 2013, 02:27 PM
    f(1)= square root of 9(1)+7= square root of 16=4
    f(-1)= square root of 9(-1)+7 = square root of -2 (undefined)
    f(2)= square root of 9(2)+7 = square root of 25=5
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