Based on your answers to parts a and d, does the special sales training program seem to have been effective? Explain your answer
1 answer:
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Answer:
Explanation:
Follow PEMDAS in reverse to undo what's happening to x.
We first add 1 to both sides, then divide both sides by 5 to fully isolate x.
Refer to the steps below to see what I mean.
The inequality sign stays the same the entire time. The only time it flips is when you divide both sides by a negative number.
The solution set for x is anything -3 or larger.
If x was an integer, then we could say the solution set is {-3, -2, -1, 0, 1, 2, 3, 4, 5, 6, ...}
I assume you mean to ask how to find the sum of the seven terms?
You have
...
So the sum is
You know that
and 
, so the sum is equal to
You have
...
So the sum is
You know that