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Math Help - Substituting Nonnumeric Values for x

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    Substituting Nonnumeric Values for x

    1. f(x) =5x -1 find f(a 2)



    Can someone tell me if I did this right?

    f(a 2) = 5(a 2) - 1
    = 5a -10-1
    = 5a + 9
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    Quote Originally Posted by Patience View Post
    1. f(x) =5x -1 find f(a 2)



    Can someone tell me if I did this right?

    f(a 2) = 5(a 2) - 1
    = 5a -10-1
    = 5a + 9
    You had everything right until the last line:
    5a - 10 - 1
    = 5a - 11

    -Dan
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