Which of the following best defines the domain of a real-valued function ?

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

Which of the following best defines the domain of a real-valued function

f

? (a) The set of all real numbers

y

such that

y=f(x)

for some

x

(b) The set of all permissible inputs

x

for which

f(x)

is defined (c) The set of ordered pairs

(x,y)

satisfying

y=f(x)

(d) The set of all real numbers

x

for which

f(x)=0