Which one of the following correctly defines for two real-valued functions and ?

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

Problem

Which one of the following correctly defines

(f+g)(x)

for two real-valued functions

f

and

g

? (a)

(f+g)(x)=f(x)\,g(x)

(b)

(f+g)(x)=f(x)+g(x)

(c)

(f+g)(x)=f\bigl(g(x)\bigr)

(d)

(f+g)(x)=f(x)-g(x)