>
Mathematics
>
Relations and functions
>
if f x 2x 1 and g x x 2 1 then go fof 2
Question:
If
$f(x) = 2x + 1$
and
$g (x) = x^2 + 1$
then
$go(fof)(2) =$
Updated On:
Jul 6, 2022
112
122
12
124
Hide Solution
Verified By Collegedunia
The Correct Option is
B
Solution and Explanation
$g(f(f(2)))=g(f(5))=g(11)=1 21+1= 122$
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Relations and functions
If set $A$ has 3 elements and set $B$ has 4 elements, then the number of injective mappings from $A$ to $B$ is
IPU CET - 2025
Mathematics
Relations and functions
View Solution
Let A = \{1, 2, 3\}. Then, the number of relations containing (1, 2) and (1, 3), which are reflexive and symmetric but not transitive, is
CUET (UG) - 2025
Mathematics
Relations and functions
View Solution
Let f: R $\rightarrow$ R be defined as f(x) = 10x. Then (Where R is the set of real numbers)
CUET (UG) - 2025
Mathematics
Relations and functions
View Solution
Let A = \{1, 2, 3\}. Then, the number of relations containing (1, 2) and (1, 3), which are reflexive and symmetric but not transitive, is
CUET (UG) - 2025
Mathematics
Relations and functions
View Solution
Let f: R $\rightarrow$ R be defined as f(x) = 10x. Then (Where R is the set of real numbers)
CUET (UG) - 2025
Mathematics
Relations and functions
View Solution
View More Questions