When will the dependent variable in the equation y= sqrt [x+4-3] equal or exceed 4

The solution to your problem is as follows:

4=sqrt(x+4)-3 
7=sqrt(x+4) 
49=x+4 
x=45 

x ≥ 45

Therefore, the dependent variable in the equation y= sqrt [x+4-3] equal or exceed 4 when x ≥ 45.

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128/3reason being 5 and 1/3 = 16/316/3 • 2/3 = 32/31 and 1/3 = 4/3 32/3 • 4/3 this will equal 128/3