Answer:

Step-by-step explanation:
Definition: Let f be one-to-one function with the domain A and the range B. Then the inverse function
has the domain B and the range A and is defined as

Facts:
1) For every

2) For every

So, 
Answer:
If two individual forces are of equal magnitude and opposite direction, then the forces are said to be balanced. An object is said to be acted upon by an unbalanced force only when there is an individual force that is not being balanced by a force of equal magnitude and in the opposite direction.
-7 + x = 6x - 12
-7 +12 = 6x - x
5 = 5x
x = 1
hope this helps
Answer: $26.4 Australian dollars
Y=1.2x