2 Answered Questions for the topic Buisness Calc

Buisness Calc Precalculus

11/05/17

Investments
If ben invests $5000 at 4% interests per year, how much additional money must he invest at 5 1/2% annual interest to ensure that the interest he receives each year is 4 1/2% of the total amount... more
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Buisness Calc

09/05/17

Determine the domain of f(x). Give your answer using interval notation. f(x) =  (x^2 − 25)/(2x^2 − 8x − 10)
I understand that you have to factor the bottom to see what x cannot equal but how do I do that with the numerator and then write it in interval notation? 
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