9MathQ01-3,5 Chapter 1 Sets and Functions Exercise 1.1 Write each of the following sets (i) in set builder form (ii) in listing its elements. (1) The set N of natural numbers. (2) The set J of all positive

Wthe fourth quadrant is A.(3,2) B.(3,-2) C.(-3,2) D.(-3,-2) E.(3,0) The point on the Y –axis is A.(4,-5) B.(4,0) C.(0,-5) D.(-4,-5) E.(-4,5) 3.The point in the X-axis is A.(-1,6) B.(1,-6) C.(-1,-6) D.(0,6)