wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If f(x)=3x+10,g(x)=x21, then (fog)1 is equal to

A
(x73)12
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
(x+73)12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
(x37)12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
(x+37)12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A (x73)12
If f(x)=3x+10g(x)=x2+1 then (fog)1
f(g(x))=3(g(x))+10
=3(x21)+10
3x23+10
fog3x2+7
(fog)1y73=x

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Definition of Function
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon