Answer:
b. 6|x|
Step-by-step explanation:
√(36x²) = √36√(x²)= 6|x|
Because √ from the number can be only positive.
Answer:
x
Step-by-step explanation:
If you multiply a function and its inverse, you will will always get x back.
f-1( f(x) ) = x
Answer:
x=4 and y=4
Step-by-step explanation:
From first function we have:

And from the second one:

Substitute them:

Answer:
Choice 4 is the correct answer