A because | | <- around a number means the absolute value which in this case is 6.
|-6| > -6
6 > -6
The first relation gives two y-values for any given x-value (except x=6).
y² +x = 6 . . . . . is not a function
Answer:
9.52% ( to 2 dec. places )
Step-by-step explanation:
Calculate the percentage increase using
percent increase =
× 100%
increase = 46 - 42 = 4, hence
percent increase =
× 100% ≠ 9.52%