Which of the following is the reciprocal of:
x^2 - 2x - 8
a.
(x + 2)(x-4)
b.
1/
(x - 8)
c.
1 /
(x + 2)(x - 4)
d.
1 /
(x + 2)

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?