<u><em>Statement B. Is correct.</em></u>
Answer:

Step-by-step explanation:
Using the rule of exponents
=
, hence
f(- 2) =
=
= 
25% is 1/4.
This means that 1/4 of the books in the library is 54, so just multiply 54 by 4, which gives you 100%, or all of the books. 54 times 4 is equal to 216, so there are 216 books in the library.
Answer:
Slope intecept form: y=2x-1
Y-intercept: (0,-1)
and the slope is 2 if you nee it.