sanic123
sanic123 sanic123
  • 18-01-2020
  • Mathematics
contestada

Can somebody help me?

Can somebody help me class=

Respuesta :

kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 30-01-2020

Answer:

See explanation

Step-by-step explanation:

The given function is [tex]f(x)=-(x+2)^2-1[/tex]

You could observe that: [tex]a=-1[/tex] when you compare to [tex]f(x)=a(x+h)^2+k[/tex].

This should tell you that the graph should open downwards.

Let us substitute [tex]x=3[/tex], to get: [tex]f(2)=-(3+2)^2-1=-5^2-1=-26[/tex]

Also when x=4,[tex]f(4)=-(4+2)^2-1=-6^2-1=-36-1=-37[/tex]

All the results are negative so the graph should appear below the x-axis

This shows that AJ made a mistake in the graph.

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