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October 25, 2014

October 25, 2014

Posted by **Brock** on Tuesday, January 1, 2013 at 9:11am.

In square root x+7=2

what is the exact solution?

a.)the solution set is ?

b.)there are infinitely many solutions

c.)there is no solution

- calculus -
**Reiny**, Tuesday, January 1, 2013 at 9:48amlooks like

ln (x+7)^(1/2) = 2 , clearly x > -7

(x+7)^(1/2) = e^2

square both sides

x+7 = e^4

x = e^4 - 7 = appr 47.598

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