What is the domain of the radical function f of x is equal to the square root of the quantity 2 times x squared minus 3 times x minus 20 end quantity

D: (–∞, ∞)
D: (–∞, –2.5] ∪ [4, ∞)
D: [–2.5, 4]
D: [ –2.5, ∞)

Respuesta :

I guess it’s D: Explanation you only put D