TheChocolateNip TheChocolateNip
  • 21-09-2017
  • Mathematics
contestada

Find the value of
f(-9) and g(-2) if
f(x)= -5x-2 and
g(x)=3xsquared -21x

I put squared cause I can't put a little two

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kaylaleigh6508
kaylaleigh6508 kaylaleigh6508
  • 21-09-2017
f(-9)
f(x)=-5x-2
     =-5(-9)-2
     =45(-2)
     =90
g(-2)
g(x)=3xsquared-21x
      =3(-2squared)-21(-2)
      =3(4)+42
      =12+42
      =54
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