Question 644362
What is the rule for this function: 
Domain:0,1,2,3
Range:3,7,9,11 
y = mx + b
----
Find m and find b.
--------
m = (7-3)/(1-0) = 4
-----
b = f(0) = 3
-------
Equation:
y = 4x +3 
--------
Cheers,
Stan H.