Answer:
The first answer, 3 times the square root of x squared is correct.
Answer:
23 maybe because there is a 90 degree angle
Answer:
For the graph see attached image.
The y-intercept is 2
Step-by-step explanation:
The requested graph of the function is included in the attached image.
The y-intercept can be seen from the image, but also from finding the y-value when x= 0 (zero):

Answer:
6 13 15 18 22
Step-by-step explanation:
absolute value just makes it positive unless it is a negative absolute value-|n|