Answer:
42
Step-by-step explanation:
f(-5) = -9 × (-5) - 3 = 45 - 3 = 42
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below =)
Answer:

Step-by-step explanation:
1. Make fraction to decimal

2. Order from least to greatest.
1.7 > -2 > -2.5
Least to greatest : 
Answer:
first one: function
second one: not a function
third one: not a function
fourth one: not a function
Step-by-step explanation:
it is never a function if two of the x inputs are the same or if one x input has two y outputs..
<em>Hope this helps!! Pls mark me brainliest!!</em>
Answer:
18%
Step-by-step explanation:
=
----> cross multiply
504(100) = 2800x
50400 = 2800x
= 
18 = x
Commission Rate: 18%