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Posts by Si

Total # Posts: 16

Waddell Mountains have a species of bird that hatches two new birds each week. Currently, there are 7 birds. Write a function representing this growth? What is the domain and range of the graph?

4 1/6

pre calc
the graph of y=-1/2 x+5 +3 can be obtained from the graph of y= x by which transformations what is the horizontal shift by what factor is the graph stretched or shrunk vertically and how is it reflected

suppose the interest rate is 8% APR with monthly compounding. What is the present value of an annuity that pays $90 every 6 months for 5 years?

gk bisects <fgh if m<fgk=7w+3 and m<fgh=104, find w

10th grade
I need help with this problem. (b+7)(b+1) .

Hi,I have a linear model with equation p = 5.1t - 28, where p is the number of breeding pairs of birds and t is the year. I need to use algebra to find the year in which the linear model predicts the breeding pairs will exceed 500. Any help appreciated.

Find the interval of concavity for f(x)=e^x/(5+e^x)? f'=[5*e^x ]/ [5+e^x]^2 & f"=[5*e^x ][5-e^x]/ [5+e^x]^3

Find the average or mean slope of 2x^3 - 6x^2 - 90x +3 on the interval [-6,10]? By the Mean Value Theorem, we know there exists at least one c in the open interval ( -6 , 10 ) such that f'( c) is equal to this mean slope. ::>> I already found the mean slope of the ...

Hmm, I tried e but it wasn't right.

I meant 2+6ln(x) divided by x. I don't know if that's what you were thinking or different?

Find the x coordinate of the absolute maximum for the function f(x)= (2+6lnx) / x? x>0 xcoordinate of abs max is?

hi evelyn, you might try looking up "history of player piano" on google. i found a lot of great reference material there. hope this helps si

hi anthony, hint first. try figuring out separately how many girls, then how many big cats, and then how many little cats. obviously each girl has 2 legs and each cat 4 legs. i get a few more than 42 legs on the bus i get 7 girls, 7x7bookbags=49 book bags 7 bc x 49 bbs= 343 ...

hi janice, don't know if this is ok to post here, but you might try "googling" "geometric shape names". there are a lot of great resources out there. hope this helps si

Bob Pursley, With regards to a question posted by john on Tuesday, January 30, 2007 at 6:14am: How is it that you used 650 degrees C + 273 K when the question asks to presume it stayed gaseous down to 0 degrees C and to use this 0 degrees C for the answer? Don't mean to ...

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