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Math Help - Find B

  1. #1
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    Find B

    If f(x) = (2x - B)/(3x + 4) and f(2) = 1/2, find B.
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  2. #2
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    Quote Originally Posted by symmetry View Post
    If f(x) = (2x - B)/(3x + 4) and f(2) = 1/2, find B.
    You're given when x = 2, you have a y value of 1/2. Thus,

    1/2 = (2(2) - B)/(3(2) + 4)

    1/2 = (4 - B)/(6 + 4)

    1/2 = (4 - B)/10

    5 = 4 - B

    1 = -B

    -1 = B
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  3. #3
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    ok

    It's another plug and chug situation.

    Very good!
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