The answer is 1.27777778 (:
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:
A
Step-by-step explanation:
Its A which ever is the one that is full
Answer:
you need a better picture
I think it’s binomial because the 3x^3 is one term and -6x is another