Recent content by gillgill

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...

okay...so i use the annuity due formula... thx.

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.

but this section is about annuity...ordinary annuity and annuities due are the two equations. Out of these two, which one should i use?

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...

thanks so much.

o..ic..but this is a extrema (max/min) question...is there a way to show it using derivatives?

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?

i still don't really get how u get the min. at 660 tables...

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...

i see...thanks a lot

o..icic...thats the same for -infinity right? so the horizontal asymptote is y=0 ?

what is L'Hopitals Rule ?

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?

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?