F(x) = x^3-9x
g(x) - x^2- 2x - 3
which of the following expressions is equivalent to
f(x)/g(x), for x> 3?
a) 1/x+1
b) x+3/x+1
c) x(x-3)/x+1
d) x(x+3)/x+1

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start