Answer:
D. 
Step-by-step explanation:
When you have a number in the form
, it's also equal to 
The expression is x=3 * 4. x=12
You basically plug in the x values with the given function so the y values are -5,-10,-15,-20
Answer:
Slope = -2
Step-by-step explanation:
The coefficient next to x is indicative of the equation's slope.