Answer:
7/4
Step-by-step explanation:
Answer:

Step-by-step explanation:
We are given the two functions:

And we want to find:

So, by substitution:

Simplify. Distribute:

Rearrange:

Combine like terms. Hence:

Answer:
1/2
Step-by-step explanation:
Take any point from the original, like (2,2) If the new point is (1,1) then the change would be 1/2
Answer:
-26 pounds
Step-by-step explanation:
if something coasts 27 pounds and you give them 1 pound
27-1=26 you're short 26 pounds
therefore the answer is -26
20/5 = 4 half lives
so
<span>300 * (1/2)^4
</span>= 300 * 0.0625
=18.75 grams