Thank you for the opportunity to help you with your question!

a) f(x) = sqrt(x+1)

g(x)= x+5

(f/g) x = sqrt(x+1) / x+5

(f/g) (3) = sqrt(3+1) / 3+5 = 2/8 = 1/4

B) Domain = all integers except -5

because at -5 g will be zero function will be undefined at this point

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