If a(x) = -9 - 2x, what is an equation for a-'(x)? O A. a-1
= -x - 7
O
B. a-'(x) = 2 - 9
d
C.
1
a
(2)
1
-9 - 2:3
о
D.
1
-
9
a
=
2

For the equations below which statement is true ?

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6