Question

Answer only question 22 to get a medal. show work so i can understand. PLEASE HELP ME. JUST TAKE A LOOK AT THE ATTACHMENT.

Answer 1

http://prntscr.com/44c3gm

Answer 2

piecwise function means there is several intervals each one have its own function

Answer 3

now can you graph
f(x) =-x^2 ?

Answer 4

its like this

Answer 5

nw we need -x^2 for this interval -2\(\le x <1 \)
note that we put open circle at f(1) since its not defined there