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dsp73
3 years ago
12
Given f(x)= -x+15, what is f(-3) A.-45 B.12 C.18 D.45
Mathematics
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answer:
lina2011
[118]
3 years ago
8
0
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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