Answer:sorry dude
Step-by-step explanation:I got nothing
Answer:
;
is even and greater than zero.
The absolute value function 
Step-by-step explanation:
The power function;
;
is even and greater than zero, is symmetric with respect to the positive y-axis.
As
and as 
The absolute value function
also has the same end behavior.
The remaining functions in the options provided do not exhibit this end behavior.
See graph in attachment.
Answer:

Step-by-step explanation:
We need to find the value of x so that the value of given function becomes 21 .
We have ,

Now , for finding x ,
Answer:
Just use a calculator and wite the square root value in it
Step-by-step explanation:
Atempt this method with all options at last u will have ur answer