Answer:
Relation 3: yes, it can be a function
Relation 4: no, it cannot be a function
Step-by-step explanation:
in a function, for every input x there can only be one correlating output y.
Answer:
fx) = 
Step-by-step explanation:
1. step:
solve the bracket
fx) = 3(
- 1) 2 + 5

2. step:
use the BEDMAS form.
fx) = 
fx) = 
Answer:
16
Step-by-step explanation:
4 x 10 = 40
6 x 4 = 24
40 - 24 = 16
If you're trying to solve for y,
5y-4=7
bring over the -4
5y=11
5y/5 = y
11/5 = 2.2
y= 2.2