Interactive practice questions
What is the domain of the function defined by $f\left(x\right)=\frac{1}{x+5}$f(x)=1x+5?
$\left(-\infty,1\right)$(−∞,1)$\cup$∪$\left(1,\infty\right)$(1,∞)
A
$\left(-\infty,0\right)$(−∞,0)$\cup$∪$\left(0,\infty\right)$(0,∞)
B
$\left(-\infty,-5\right)$(−∞,−5)$\cup$∪$\left(-5,\infty\right)$(−5,∞)
C
$\left(-\infty,5\right)$(−∞,5)$\cup$∪$\left(5,\infty\right)$(5,∞)
D
Easy
< 1min
Consider the function $y=\frac{2}{x+1}$y=2x+1.
Easy
3min
Consider the function $y=\frac{3}{x}+2$y=3x+2.
Easy
5min
Consider the function $y=-\frac{3}{x}+4$y=−3x+4.
Easy
3min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account