katbuford
katbuford katbuford
  • 04-04-2016
  • Mathematics
contestada

does anyone seriously know how to do these

does anyone seriously know how to do these class=

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penfila11Pen
penfila11Pen penfila11Pen
  • 04-04-2016
Thats simple!
h(x)= [tex] \frac{x^{2}+3x }{4x+27} [/tex]
find h(-8)
All we need to do is PLUG IN THE -8
h(-8)= [tex] \frac{(-8)^{2}+3(-8) }{4(-8)+27} [/tex]
        =[tex] \frac{64-24}{-32+27} [/tex] (negative²=positive,                                                                                negative×positive=negative)
        =[tex] \frac{40}{-5} [/tex]
h(-8)=-8
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