Rational number, because the Square root of 400 is 20, since 20 x itself is 400. Hope this helps!
Answer:
Step-by-step explanation:
186 devised by 30 is the answer
f(x)=4x
To find the inverse, first change f(x) to y:
y = 4x
Now switch the variables:
x = 4y
Solve for Y:
Divide both sides by 4:
y = x/4
Now replace y with the inverse function f^-1(x):
f^-1(x) = x/4
Answer: The range of the medians of the numbers left and right of the median of the entire data set.
