devincope2005 devincope2005

27-03-2020
Mathematics

contestada

Jordan is kayaking upstream. The following equation model his speed: f(x) = 2x2 − 4x − 9, where x is Jordan's speed relative to land. What is the domain of the function?

x ≥ 1
x ≤ −4
x ≥ −9
All real numbers

Respuesta :

saraelboufi saraelboufi

30-03-2020

Answer:

all real numbers .

Step-by-step explanation:

Answer Link

EmojiQueen123 EmojiQueen123

31-03-2020

Answer:

All real answers is the correct choice. D.

Answer Link

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