CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

Let f:RR be defined by f(x)=2x+|x|. Then f(2x)+f(x)f(x)=



A

2x

loader
B

2|x|

loader
C

2x

loader
D

2|x|

loader

Solution

The correct option is D

2|x|


f(x)=x+|x|
Then, f(x)+f(x)f(x)
=2(2x)+2|x|+(2x)+|x|2x+|x|=4x2x2x+2|x|+|x||x|=0+2|x|+|x||x|=2|x|


Mathematics
RD Sharma
Standard XI

Suggest Corrections
thumbs-up
 
0


similar_icon
Similar questions
View More


similar_icon
Same exercise questions
View More


similar_icon
People also searched for
View More



footer-image