If y(x)=4x what is x when y(x)=4?
1 answer:
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Answer:
slope: -170
y-int: 1020
P.S. I made sure my answer was right by graphing the equation (y = -170x + 1020) on a calculator :)
Step-by-step explanation:
check picture
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]