B) Detergent B is less expensive than Detergent A
Answer:
the answers is 3 over 2 in fraction form
Just divide 30 by 6 and you get b=5
Ok,
f(0.35)= 7f/20
f(-5.2)=-26f/5
f(10)= 10f
f(-0.5)= -f/2
as for the last question I am not quite sure, sorry....hope I helped a little :)
