Queenjlife7373 Queenjlife7373
  • 30-12-2017
  • Mathematics
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If f(x) = 3x^2-10x+2 find the vertex of y=f(x+4)-5

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Hosein
Hosein Hosein
  • 30-12-2017

[tex]3 {(4 + x)}^{2} - 10(x + 4) + 2 - 5[/tex]
so
[tex]3( {x}^{2} + 8x + 16) - 10x - 40 + 3[/tex]
so
[tex]3 {x}^{2} + 14x + 11[/tex]
take differential calculus
[tex]6x + 14 = 0[/tex]
you will find x then y
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