pj1345
pj1345 pj1345
  • 01-03-2016
  • Mathematics
contestada

given f(x)= -x+15, what is f(-3) A.-45 B.12 C.18 D.45

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apologiabiology
apologiabiology apologiabiology
  • 02-03-2016
so you just subsitute -3 for x
f(-3)=-(-3)+15
f(-3)=3+15
f(-3)=18
answer is C
18
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