Question

which of the domain of a function is restricted to x > 0

f(x) = √x
f(x) = x2 + 5
f(x) = x2
f(x) = (x − 5)2
f(x) = √x + 5
f(x) = (x + 5)2

Answer 1

I don't understand your symbols such as √. You also need an ^ symbol before exponents