itskati17
itskati17 itskati17
  • 26-08-2022
  • Mathematics
contestada

Find the range of this
quadratic function.
Y=x2+2x

Find the range of this quadratic function Yx22x class=

Respuesta :

ozieltijerina
ozieltijerina ozieltijerina
  • 26-08-2022
[-1,infinity) would be the range
Answer Link
sangers1959 sangers1959
  • 26-08-2022

Answer: -1≤y≤+∞

Step-by-step explanation:

[tex]y=x^2+2x\\y=x^2+2x+1-1\\y=(x^2+2x+1)-1\\y=(x+1)^2-1\\(x+1)^2\geq 0\\Hence,\\y\geq -1\\Or\\-1\leq y\leq +\infty[/tex]

Ver imagen sangers1959
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