Answer:

Step-by-step explanation:
Given

Required
Solve
Open brackets


Collect like terms


Answer: -204
Step-by-step explanation: 12 X -17 +Y is the same thing but you can say it this way and its easier to understand but it equals -204/(negative 204) Hope this helps you! :3
Answer:

Step-by-step explanation:
You would substitute "2x" for every "x" in the function in the same way you would substitute any other number.
So if f(x)=Sqrt[7x²-3x], then: f(2x)=Sqrt[7(2x)²-3(2x)]
=Sqrt[7(4x²)-3(2x)]
=Sqrt[28x²-6x]
Answer: 2 is not a function because 1 has no unique image
Step-by-step explanation:
Answer: yes
Step-by-step explanation:
because it starts at 0 and continues forward