Recent content by gillgill

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    Calculate Interest & Payments - John's $4000 Lump Sum Investment

    John brought a stamp for his collection. He agreed to pay a lump sum of $4000 after 5 years. Until then, he pays 6% simple interest semiannually on the $4000. a) Find the amount of each semiannual interest payment. b) John sets up a sinking fund so that enought money will be present to pay off...
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    Which Annuity Formula to Use for Birthday Deposits?

    okay...so i use the annuity due formula... thx.
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    Which Annuity Formula to Use for Birthday Deposits?

    ordinary annuities: those with payments made at the end of each time period. annuities due: annuities in which payments are made at the beginning of each time period.
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    Which Annuity Formula to Use for Birthday Deposits?

    but this section is about annuity...ordinary annuity and annuities due are the two equations. Out of these two, which one should i use?
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    Which Annuity Formula to Use for Birthday Deposits?

    A father opened a savings account for his daughter on the day she was born, depositing $1000. Each year on her birthday he deposits another $1000, making the last deposit on her twenty-first birthday. If the account pays 9.5% interest compounded annually, how much is in the account at the end of...
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    Optimizing Table Delivery: Maximizing Profit and Minimizing Cost

    o..ic..but this is a extrema (max/min) question...is there a way to show it using derivatives?
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    Elesticity - What must be true about the demand function if E=0?

    What must be true about the demand function if E=0? i know that E=0 is perfectly inelastic. What is it about the demand function?
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    Optimizing Table Delivery: Maximizing Profit and Minimizing Cost

    i still don't really get how u get the min. at 660 tables...
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    Optimizing Table Delivery: Maximizing Profit and Minimizing Cost

    Your firm offers to deliver 300 tables to a dealer, at $90 per table, and to reduce the price per table on the entire order by 25cent for each additional table over 300. Find the dollar total involved in the largest possible transaction between the manufacturer and the dealer; then find the...
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    Horizontal Asymptote: lnx^2/x^2

    i see...thanks a lot
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    Horizontal Asymptote: lnx^2/x^2

    o..icic...thats the same for -infinity right? so the horizontal asymptote is y=0 ?
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    Horizontal Asymptote: lnx^2/x^2

    what is L'Hopitals Rule ?
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    Horizontal Asymptote: lnx^2/x^2

    is there a horizontal asymptote for y=(lnx^2)/(x^2) i know u take the lim to find h.a but what is ln infinity/infinity?
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    Age/weight relationship of female arctic foxes caught in Svalbard

    for d)estimate the rate of change in weight of an Arctic fox that is 200 days old. do u just find the deriviative of M(t)=3102e^(-e)^(-0.022(t-56)) and then sub in 200 after?
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