It is a set of strategies used to guide efforts for climate change mitigation
I think it’s Dominica’s Boiling Lake, located in Waimangu Valley near Rotorua, New Zealand
D. 4x^2 - 3 is the correct answer. This is because we just break the original expression down into two fractions and then simplify them
(8x^3 - 6x)/2x becomes these two fractions:
8x^3/2x - 6x/2x
These two simplify down to your answer, 4x^2 - 3