1) a) The formula for simple interest is: _____________
2 answers:
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Answer: At x= 25 there is a break even point .
Step-by-step explanation:
Let the number of CDs be x
For the case of iTunes,
Cost of each CD = $12
For the case of Best Buy,
Number of CDs of free of cost = 5
Number of CDs more than 5 = $15
We need to find the "Break even point ":
According to question,
Hence, At x= 25 there is a break even point .
Answer:
-2.595
Step-by-step explanation:
When inputting this function into your calculator, we need to be aware of a couple things:
1.) his is ln(1.5) - 3, and not ln(1.5-3). Negative numbers cannot be put into the natural log function.
2.) That is because lnx is another way of saying . If you're having trouble finding ln on the calculator, use logx/loge (an odd rule that you'll learn soon from the looks of it.)