Alison is buying binders for school. Small binders cost $3 each, and large binders cost $5 each. If Alison needs to buy at least
2 answers:
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Answer: There are 45 combinations.
Step-by-step explanation:
If the order in which you watch the episodes does not matter, then we can use the combinatory defined as:
If we have N elements, and we want to make groups of K elements, we have
combinations.
In this case, we have a total of N = 10 episodes, and we want to make groups of K = 2.
Then we have:
There are 45 combinations.
Recall the definition of absolute value.
When ,
When ,
The derivative does not exist at , since the one-sided limits
and
do not match.
So the derivative of is
Now we can write this as
since
and