Answer:
second choice
Step-by-step explanation:





Let x = 5:



Since using x = 5 gives the square root of a negative number, 5 is not in the domain of the composition of the functions.
Answer: second choice
Answer:
About 11.77 centimeters
Step-by-step explanation:
By law of sines:

Hope this helps!
See, please, the solution for the task number 2.
Answer:
60.666667
Step-by-step explanation:
it is non-linear, because to get 8 to 24 takes 16 but 0 to 8 only takes 8 (i'm not good at explaining)