4x - 12
You can get this by switch the f(x) and the x and then solving for the new f(x)
Answer:
positive
Step-by-step explanation:
C
..................................
This is a quadratic equation, which is also a polynomial. Polynomials all have the domain (-infinity, +infinity).
As for the range: You can see from the graph that the smallest y-value is -2. Thus, the range is [-2, infinity).
