𝐼𝑓 𝑓(𝑥)=2𝑥 1/𝑥+2, then 𝑓(1)𝑓-1( 1)= a) 0 b) 1 c) -1 - Maths - Relations and Functions

Question

𝐼𝑓
𝑓(𝑥)=2𝑥−1/𝑥+2, then
𝑓(1)𝑓-1(−1)=
a) 0 b) 1 c) -1 d) 2

Abhishek Kumar · Accepted Answer

𝐼𝑓 𝑓(𝑥)=2𝑥−1/𝑥+2, then 𝑓(1)𝑓-1(−1)= a) 0 b) 1 c) -1 d) 2