Function Test - 8th Grade

In the set of ordered pairs {(2,-4), (3, 0), (5, 3), (8, 8)}, what is the range?

Evaluate f(x)= 6x -13, 
find f(3)

Does the graph represent a function?

Does the table represent a function or not a function?

Is the equation y=5x-7 a function?

Given f(x) = -9x +5,
find f(8). 

In the set of ordered pairs {(-2,0), (0,6), (2,12), (4,18)}, what is the domain?

Is the relation a function?

What is the y -intercept on this graph?

Find the slope of the line.