Question

attach,I need help # 19

Answer 1

x/x is equal to 1 right

so you're just left with 2

Answer 2

how you draw a graph?

Answer 3

when x is not equal to 0, then that means there's a horizontal line (y=2)
with a open circle at (0,2),

then when x=0, y=3
that means there's a dot on (0,3)