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In: Math

How do you find the domain of: f(g)= 5x^2+4 f(g)= 3x; -2<x<6 f(g)= (1) / 3x-6...

How do you find the domain of:

f(g)= 5x^2+4

f(g)= 3x; -2<x<6

f(g)= (1) / 3x-6

f(g)= (x+2) / x^2-1

f(g)= x^4 / x^2+x-6

f(g)= sqrt (x+1)

f(g)= sqrt (x^2+9)

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