2011,18, invertible with inverse.
Asked by alanpeter9611 | 26th Feb, 2019, 02:19: AM
Expert Answer:
f(x) = y = x2 + 4
x2 = y - 4
f : R+ → [4, ∞)
hence x is positive.
hence we can not take 
Consider g(y) = 
g : [4, ∞) → R+
Find 
f is invertible.
f-1 =
Answered by Sneha shidid | 26th Feb, 2019, 09:37: AM
Concept Videos
- solution for the given problems
- 2013,11,prove the relation
- If one element of domain is not related to any element in co domain will the relation be a function?
- Let S = { a,b,c} and T = {1,2,3} and a function from S to T is : F= {(a,3) , (b,2 ) , (c, 1)}. Check whether it is a bijective function.
- In the mapping f:N → N, defined by: f(x)=2x,
Is it a bijection? Give reason for your answer.
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change