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Given the following conditions: g(x) = 1 / (x - 1), x < 1; 3x2 + 1, x >= 1 . g(3) when evaluated becomes .....

Mathematics

ScanSolve AI Answer

Answer

g(3)=28g(3) = 28

Step-by-step solution

3 steps

To evaluate g(3)g(3), we need to determine which part of the piecewise function applies for x=3x=3.

  1. Identify the correct function definition based on the input value.

    The given function is:

    g(x)={1x−1,x<13x2+1,x≥1g(x) = \begin{cases} \frac{1}{x-1}, & x < 1 \\ 3x^2 + 1, & x \ge 1 \end{cases}

    We need to evaluate g(3)g(3).
    Since 3≥13 \ge 1, we use the second part of the function definition, which is g(x)=3x2+1g(x) = 3x^2 + 1.

  2. Substitute x=3x=3 into the chosen function.

    g(3)=3(3)2+1g(3) = 3(3)^2 + 1
  3. Calculate the result.

    g(3)=3(9)+1g(3) = 3(9) + 1 g(3)=27+1g(3) = 27 + 1 g(3)=28g(3) = \boxed{28}
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