Use these functions...

There will be 4 function tables on the page. If you select more than 4 functions, not all of them will be used.

x + y
x - y
x * y
x / y
x * y + z
x * y - z
x / y + z
x / y - z
(x + y) * z
(x - y) * z
(x + y) / z
(x - y) / z

Write the function in this format

f(x) = x + 3
y = x + 3
n + 3
N + 3