1. You have the following equation:

2. First, you must apply the Distributive property:

3. Simplify:

3. Add the like terms:

4. Solve for
:

Therefore, the answer is: 
Answer:
a. In a one-to-many relation, at least one (input) value maps to (more than one) (output) value. This means a one-to-many relation (cannot) be a function,
Step-by-step explanation:
Answer:
Package 3 has the lowest unit price.
Step-by-step explanation:
I think it’s -36, not 100% sure though
Step-by-step explanation:
the function of increasing for -2.5 < x < 2.5
or written as :
x > -2.5
x < 2.5