The answer would be negative 2
20 is the answer to the question you asked.
7x - (25x^2 + 12x) = 7x - 25x^2 - 12x = -25x^2 - 5x
Answer:
It is not a function.
Step-by-step explanation:
This is what we call a mapping;
Functions do not give multiple output values for a given input value;
As we can see, the input 2 produces an output of 20 and 40, therefore we can tell this is not a function.
