SOLUTION: The altitude of a falling rock t seconds after it is dropped is calculated from the polynomial h(t)=-16t^2+200. Find the altitude of the rock 2 seconds after it is dropped. als

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The altitude of a falling rock t seconds after it is dropped is calculated from the polynomial h(t)=-16t^2+200. Find the altitude of the rock 2 seconds after it is dropped. als      Log On


   

Question 8623: The altitude of a falling rock t seconds after it is dropped is calculated from the polynomial h(t)=-16t^2+200. Find the altitude of the rock 2 seconds after it is dropped.
also:
A rectangle has a length which is 3 more than its width. Write a polynomial P(x) which expresses the perimeter of this rectangle in terms of the width x.
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
We already did the first question, so here is the second part:

Let x= width of the rectangle
x+3 = length of the rectangle
P = 2(W) + 2(L)
P = 2(x) + 2(x+3)
P = 2x + 2x + 6
P = 4x + 6

R^2 at SCC