Is the following relation a function?
two circles are shown, one labeled x and the other labeled y. the x circle contains the numbers 6, negative 1, 4, and 0. the y circle contains the numbers 2, negative 1, and 3. arrows map numbers from x to numbers from y. there are arrows going from 6 to negative 1, from negative 1 to 2, from 4 to 3, and from 0 to 3.
answer
yes
no

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.

Which is an accurate comparison of the two data sets? the commute to work is typically shorter and more consistent than the commute home. the commute to work is typically shorter but less consistent than the commute home. the commute to work is typically longer and less consistent than the commute home. the commute to work is typically longer but more consistent than the commute home.

2f(x)= x+3 if 4 < x < 8 2x if x 28 2