Respuesta :

2x^2 - 7 

we can plug any values of x into this The domain is All Real x.

The graph will be a parabola opening upwards with a minimum value  when x = 0  and  f(x) will be = -7

so the range is  f(x) <= -7    or  (-∞, -7]

Answer:

domain is (-∞,∞) and the range is [-7,∞)

Step-by-step explanation:

the guy who answered the question was wrong and i had to point it out