Posted by dian on Sunday, September 25, 2011 at 10:13pm.
You know that sqrt(u) has domain u>=0. In this case, u = 9-x. So, yu must have
9-x >= 0
9 >= x
or, as usually written
x <= 9
or
{x:x<=9}
or
x in (-oo,9]
depending on desired notation.
Related Questions
Calculus - Find the functions a) f o g, b) g o f, c) f o f, d) g o g, and their ...
calculus HELP - how do you find the domain of the function:: 14/(x^2 - 361) &...
calculus - for the given functions f and g, find the following and state the ...
Calculus. - Given the function f with the restricted domain, find the points at ...
calculus - how can I determine the domain of a function h(x): integrate from 0 ...
Calc - Find the functions a) f o g, b) g o f, c) f o f, d) g o g, and their ...
Algebra - How do you find the domain of a function when the number is outside of...
ALGEBRA - How do you find the domain of a function when the number is outside of...
pre-calculus - Please diregard the other one the square root sign did not come ...
Pre-calculus - Given the following values for f(t): t : f(t) 3 : -7 6 : 6 9 : 19...
For Further Reading
