huffordmacy58ow78st huffordmacy58ow78st

12-04-2020
Mathematics

contestada

Help with this question please

Help with this question please class=

Respuesta :

12-04-2020

a) (f+g)(x)=6x^3-x^2+3x+4+8x^3-1

=14x^3-x^2+3x+3

b)(f+g)(2)=14(2)^2-4+6+3

=61

c)(f-g)(x)

=6x^3-x^2+3x+4-8x^3+1

= -2x^3-x^2+3x+5

d( (f-g)(-3)

= -2(-3)^3-(3)^2+9+5

=59

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