f(x)=output
y=f(x)
basically, look at the y value for where x=1
5.
about 3
f(1)=3
6.
look at table
x=1 and f(x)=1.3
therefor f(1)=1.3
9 one
1 looks to line up with a little under 2, so about 1.9
f(1)≈1.9
10
about -0.5
f(1)≈-0.5
11. not in the domain, empty set
