Question

Miscellaneous Exercise on Cha
min
1. Letf:
RR be defined as f(x) = 1Qr+ 7. Find the function
even. Show that f is invertible. Find the inverse of. Here: Wie
that g of=fog = 1R
1
2.
whole numbers.
dy
2. Let f:
WW be defined as f(n) = n - 1. if n is odd and f()
dd
3. Iff: RR is defined by f(x)=r-3x+2, find f ).
Show that the function f: R {xe R:-1<x<
xe R is one one and onto function.
5. Show that the functionf: RR given by f(x) = r is inj
6. Give examples of two functions f:N Z and g:ZZ su
injective but g is not injective.​

Answer 1

Answer:

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