Question
Let f(x)=x+1 and g(x)= "squareroot" of x
what are the domains of "f" and "g"
what are the domains of "f" and "g"
Answers
MathMate
f(x) is a polynomial, so the domain is all of R (real).
g(x)=√x, whose domain is only the non-negative part of real, so
dom g=[0,+∞)
g(x)=√x, whose domain is only the non-negative part of real, so
dom g=[0,+∞)