Function or not?
Please help me

Function                         Not a function      

not a Function                   function

pg 2

B- explanation is that 2 inputs dont have the same output 8-1, 8-1,4-1,3-1

pg 3

1. yes; -5 is not in the set

2. yes; 2 is not in the set

3. no; .75 is 3/4

4. no; -4 is already in the set

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times