A) {5, 10, 15, 20}
B) {10, 15}
C) {5, 10, 15}
D) {10}
Correct Answer: C
Solution :
\[f\left( x \right)=15-|x-10|,x\in R\] \[f\left( f(x \right))=15-|f(x)-10|\] \[=15-|15-x|x-10|-10|\] \[=15-|5-|x-10||\]You need to login to perform this action.
You will be redirected in
3 sec