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Math Help - Need answer and explanation to question (urgent)

  1. #1
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    Need answer and explanation to question (urgent)

    I have been doing this to help me work towards higher level but need explanation and answer for this question...
    Let f(x)=xx < x squared






    work out and write in its simplest form
    f(x+2)+1
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  2. #2
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    Quote Originally Posted by sasha9193 View Post
    I have been doing this to help me work towards higher level but need explanation and answer for this question...
    Let f(x)=xx < x squared


    work out and write in its simplest form
    f(x+2)+1
    Hello,

    I assume that your function is:

    f(x) = x^2

    To calculate f(x+2) you have to plug in the term (x+2) instead of x into the given equation:

    f(x+2)+1 = (x+2)^2+1 = x^2+2\cdot 2 \cdot x + 2^2 + 1 = \boxed{x^2+4x+5}
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