The tables are shown which table represents a linear function?

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Arrange these numbers from least to greatest 3/5 5/7 2/9

What expression is equivalent to 1/2(2+3x-6)