Answer:

Step-by-step explanation:
In Venn sets, we have that:

In which n is the number of elements that each set contains.
In this question:

So

So

Inverse functions are always the opposite of course therefore, f^-1(x)=x+12
total length of the boards = 4 1/2 meters
Given:
number of boards = 5
length of each board = 9/10 meters
5 * 9/10 = (5*9)/10 = 45/10
Simplify fraction:
45/10 = 4 5/10 or 4 1/2 meters.
Answer:
B) Information about exponential notation
Step-by-step explanation:
The information on the page is about exponential notation, therefore option (B) is the most suitable.