Asked by Lusi

A "super ball" dropped from a height of x feet bounces to a height y that is 80% of x.

Can anyone please teach me how to find its numerical, algebraic, and graphical representations? Thanks a lot!!!
Answered by drwls
After n bounces, y(n) = X(0)*0.8^n
where X(0) is the initial height from which it is dropped

Since they don't tell you what X(0) is, you could make a graph of y/X(0) vs n.
Answered by Lusi
can you please tell me the differences and examples of the numerical,algebraic, and graphical representations?
Answered by drwls
Numerical could be a table of n and y(n)/X(0) values
Algebraic could be the formula y(n)/X(0) = (0.8)^n
Graphical could be a graph of y(n)/X(0) vs n
Answered by Kindell
2cos*2x-cosx=1 find all solutions to the equation on the domain [0,2ð]

i got ð/4, 7ð/4, 3ð/4, and 5ð/4 but only got two out of four points... what did i do wrong?
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