Answer:
The Pythagorean Theorem states that 
Step-by-step explanation:
This formula applies to the side lengths and means that the length of leg "a" squared, plus the length of leg "b" squared, will equal the length of hypotenuse "c" squared. Please state a more specific question so I can go into more detail if you need it :)
If x = -4
f(x) = (-4)^2 = 16
if x = 4
f(x) = √4 = 2
hope it helps
4. proportional
5. proportional
6. I don't know what functions are
7. It has a straight line and distance is proportional to time.
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Answer:
We have 4 x ( 3 / 2 ) = 12 / 2 = 6;
Step-by-step explanation: