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

Respuesta :

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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