Brookie13
Brookie13 Brookie13
  • 13-01-2017
  • Mathematics
contestada

(NEED HELP FAST, PLEASE!!)

What is the difference of j and k?

J(x)=x-14
K(x)=7+x

A- (j-k)(x)=-21
B-(j-k)(x)=-21+2x
C-(j-k)(x)=-7
D-(j-k)(x)=-7+2x

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 13-01-2017
j(x)-k(x)=(x-14)-(7+x)=x-14-7-x=x-x-14-7=0-21=-21

answer is A
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