Answer:
R1 = {(1, 7) (2, 7) (4, 7) (6, 7)}
R3 = {(x, y) (y, z) (z, t) (t, v)}
R1 and R3 are functions because first element in the ordered pair is not repeating, i.e they have unique images
(a) it is always true -5.2 x ( -1.4 ) =7.28 AND -1.4 x (-3.6) =5.04
(b)the rule for multiplying negatives is negative x negative = positive.
i hope i answered what you where asking
Answer:
Y=2x+9 :)
Step-by-step explanation:
Sally will need 1/4 pound of sugar for 1 pound of dried beans
Y would have to equal -7, as when you do 4 - 7 you get -3, which is what the equation equals. I hope this helps!