Answer:
See below
Step-by-step explanation:
The function
oscillates between -1 and 1, so the range is
.
Answer:
1/6
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
First drop the line.
How many units is it from Point r to the x axis?
12.
How many units is it from Point r to the y axis?
5.
Now we can use the Pythagorean Theorem.

(-y + 5a - 4) + (3y - a - 5) is simplified to 2y + 4a - 11