Suatu fungsi dinyatakan dengan f(x) 1/2(5-x) dengan daerah asal {-3,-1,1,3,5} daerah hasil (range) fungsi tersebut adalah??? Pada fungsi g:x 1/3(x+4), jika g(a)

Jawab :
f(x) = 1/2(5-x)
f(-3)= 1/2(5-(-3))
f(-3)=1/2 (8)
f(-3) = 4

f(-1) = 1/2(5-(-1))
f(-1) = 1/2(4)
f(-1) = 2

f(1) = 1/2(5-1)
f(1) = 1/2(4)
f(1) = 2

f(3) = 1/2(5-3)
f(3) = 1/2(2)
f(3) = 1

f(5) = 1/2(5-5)
f(5) = 1/2(0)
f(5) = 0

R : {4,2,2,1,0}