Answer:
2/300, or simplified: 1/150. Decimal: 0.006
Step-by-step explanation:
y - 3x = 7
can be written as
y = 3x + 7
For every value of x there is a unique value of y. For example when x = 0 y = 3(0) + 7 = 7
Yes it is a function.
In particular it is a one-to-one function.