Any time we have a set of pairs (x,y) we have a relation between the xs and the ys. Here x is essentially time; for each x we get a single y, that makes this a function.
Answer: D Both
Answer:
x=4
Step-by-step explanation:
-16b+40b^2
-8b*2=-16b
(-8b)(-5b)=40b^2
