itslordesp3jopf
itslordesp3jopf itslordesp3jopf
  • 04-08-2020
  • Mathematics
contestada

A. f(x) = -x^2 - x - 4

B. f(x) = -x^2 + 4

C. f(x) = x^2 + 3x + 4

D. f(x) = x^2 + 4

A fx x2 x 4 B fx x2 4 C fx x2 3x 4 D fx x2 4 class=

Respuesta :

dreaagd
dreaagd dreaagd
  • 04-08-2020

Answer:

B: -x^2 + 4

Step-by-step explanation:

If the equation was [tex]f(x)=x^2[/tex], then the vertex would be at 0, and the "U" would be facing straight up. Here, the "U" is upside down, so that means the "x^2" would have to be a negative number ([tex]-x^2[/tex]) to get the upside-down "U". Then, we could see that the vertex is at positive 4, so that means that the parabola moved up 4 units, so the equation should end in +4.

Our answer is:

B: -x^2 + 4

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