Question

1. diketahui:
f(x) = 2x-1
Himpunan A= (-1,0,2,3,4,5)
Jawablah:
A. Himpunan pasangan berurutan
B. diagram panah

Answer 1

F(-1) = 2*(-1)-1 = -3
f(0) = 2*0-1 = -1
f(2)= 2*2-1 = 3
f(3) = 2*3-1 = 5
f(4) = 2*4-1 = 7
f(5)= 2*5-1 = 9

A. {(0,-1),(2,3),(3,5),(4,7),(5,9)}