Answer:
Yes. Every unique input has a unique output.
Step-by-step explanation:
Since every input has a different output, therefore it's a function. It's not a function when the input have more than 1 output. When graphing, make sure you take the vertical line test to see whether or not the graph is a function.
Answer:
y =
- 1
Step-by-step explanation:
y - y1 = m (x - x1)
y + 5 =
(x + 12)
y + 5 =
x + 
y + 5 =
x + 4
y =
x - 1
Hope this was helpful :)
Answer:
=900
Step-by-step explanation: