The answer is D. 2x - 4/x^2- 4
90 I think I really could be wrong and if I am I am super sorry
Answer:
Percentage Change Formula
Step-by-step explanation:
Percent change can be applied to any quantity you measure over time. If the price increased use the formula
((New Price - Old Price) / Old Price) × 100
If the price decreased flip the first part to
((Old price - new price)
and then follow the rest of the formula.
