For ​g(x)equalsStartRoot left parenthesis x minus 1 right parenthesis squared EndRoot​, find ​g(7​).

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Part 1
A.8
8
B.5
5
C.7
7
D.6
6

1 answer

To find \( g(7) \) for the function \( g(x) = \sqrt{(x - 1)^2} \), we first need to substitute \( x = 7 \) into the function.

  1. Calculate \( x - 1 \): \[ 7 - 1 = 6 \]

  2. Now substitute this value into the function: \[ g(7) = \sqrt{(6)^2} \]

  3. Calculate \( (6)^2 \): \[ (6)^2 = 36 \]

  4. Now take the square root: \[ g(7) = \sqrt{36} = 6 \]

Thus, the value of \( g(7) \) is \( 6 \).

The correct answer is \( \text{D. } 6 \).