Asked by Bee
I have to find the domains of these functions and don't know how:
f(x)=SQRT 2x-1
and
f(x)=3/x+4
Help Please!
f(x)=SQRT 2x-1
and
f(x)=3/x+4
Help Please!
Answers
Answered by
Houdini
Hi Bee!
No more worries :)
Domain is simply the possible values of x. Remember you cannot divide by zero, and you cannot get the square root of a negative number.
For f(x)=SQRT 2x-1
Domain=
x>0
For f(x)=3/x+4
Domain=
x cannot equal 4
All you have to do is right an equal-sign with a slash through it.
No more worries :)
Domain is simply the possible values of x. Remember you cannot divide by zero, and you cannot get the square root of a negative number.
For f(x)=SQRT 2x-1
Domain=
x>0
For f(x)=3/x+4
Domain=
x cannot equal 4
All you have to do is right an equal-sign with a slash through it.
Answered by
Bee
thanks!!
Answered by
Houdini
You're welcome!
Keep those math questions coming, oddly enough, I enjoy answering them. =)
Keep those math questions coming, oddly enough, I enjoy answering them. =)
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