blake1234880 blake1234880

24-03-2021
Mathematics

contestada

Please help what’s the answer

Please help whats the answer class=

Respuesta :

JLTornado52 JLTornado52

25-03-2021

Answer: C.

Step-by-step explanation:

For a parabola ax² + bx + c with Vertex (xᵥ,yᵥ)...

If a < 0 the range is f(x) ≤ yᵥ
If a > 0 the range is f(x) ≥ yᵥ

a = -1, Vertex (xᵥ,yᵥ) = (0,3)

f(x) ≤ 3... so all real numbers less than or equal to 3

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