So, we have x=√8x. The square root is a number times itself, so x=√x*x. That means that 8 is x.
Use the distance formula:
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Plug in the given coordinates:
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Simplify:
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You can leave it as:

or in decimal form as: 7.2
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what upAnswer:
Step-by-step explanation:
Answer:
f(-3)=4
Step-by-step explanation:
Substitute x=-3 into the function
f(-3)=(-3)^2-5
f(-3)=9-5
f(-3)=4