Let `A={0,1,2}andB={3,5,7,9}."Let "f={(x,y):x""inA,yinBandy=2x+3}`. Write f as a set of ordered pairs.
Show that f is a function from A to B. Find dom (f) and range (f).

Let A={1,2} and B={2,4,6}. Let f={(x,y):x in A,y in B and y>2x+1. Write f as a set of ordered pairs.

Let A={1,2}andB={2,4,6}."Let "f={x,y):x""inA,yinBandandygt2x+1} . Write f as a set of ordered paris. Show that f is a relation but not a function from A to B.

Let A={2,3,5,7}andB={3,5,9,13,15} . Let f={(x,y):x""inA,y""inBandy=2x-1} . Write f in roster form. Show that f is a function from A to B. Find the domain and range of f.

Let X={-1,0,2,5}andf:XtoR:f(x)=x^(3)+1 . Then, write f as a set of ordered pairs.

Let X={2,3,4,5}andY={7,9,11,13,15,17} . Define a relation f from X to Y by: f={(x,y):x""inX,yinYandy=2x+3} . (i) Write in roster form. (ii) Find dom (f) and range (f). (iii) Show that f is a function from X to Y.

Let A = {-2,-1,0,1,2} and f:A to ZZ be defined by f(x) = 2x+1 for all x in A . Find f as a set of ordered pairs and find its range.

Let f={(-1, 3}, (0, -1), (2, -9)} be linear function from Z into Z. Find f(x).

Let X={-1,0,3 ,7,9}andf:XtoR:f(x)=x^(3)+1 . Express the function f as set of ordered pairs.

Let A ={3,6,9,12} and B={1,2,3,4} . If f: A rarrB be defined by f(x)=(x)/(3), find f and f^(-1) as sets of ordered pairs.

Let R be the set of reals . Define a function F : R to R by f (x) = 2x^2-1 find f(f(x))