Answer:
No, it's not a function
Step-by-step explanation:
Step-by-step explanation:

and,

represents perpendicular lines.
Two lines are perpendicular when product of their slopes = -1
In, y =½x+4
m1 = ½
In y = -2x -3
m2 = -2
Now, m1× m2 = ½× (-2) = -1
Answer: the answer is 6.06%, however if it is rounded it's 6.0%
Step-by-step explanation: