aastra1 aastra1
  • 01-11-2017
  • Mathematics
contestada

State the domain and range for the function f(x) = 2x2 – 7. Show all steps, please.

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Аноним Аноним
  • 01-11-2017
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]
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Igothyper Igothyper
  • 22-01-2021

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

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