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What is the smallest real number x in the domain of the function g(x) = sqrt( (x-3)^2 - (x-8)^2 )?

 Aug 8, 2021
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(x-3)^2 - (x-8)^2      cannot be negative     expand .....to find where the fxn IS zero

x^2 - 6x + 9     -   x^2+16x-64 = 0

10x - 55 =0

10x = 55

x = 5.5    

 Aug 8, 2021

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