Question

Needing help ASAP!

I actually checked the answer in the book and it's right... but the website says it's wrong, so http://prntscr.com/8skwpe

Answer 1

@hartnn please help

Answer 2

shouldn't the height be 12 at the beginning of the ride?
that is at t =0

Answer 3

yes

Answer 4

so 110.5 - 98.5 cos(...)t would give you h=12 when t =0

Answer 5

book has exact same question. the answer I put should be correct
idk

Answer 6

the book had the + in between ?

Answer 7

wait... I put a +?

Answer 8

OH GOD I'm stupid

Answer 9

I'm sorry !! stupid mistake wasted your time

Answer 10

hey, no problem :)
everything else you did was right, so you deserve a medal for it :)

Answer 11

:D thank you ^-^

Answer 12

welcome ^_^