Question

Resolva :
f(x) = -3x+y

x= 0, 1, 2, 3.

Answer 1

f(x)=-3x+y. x=0,1,2,3.

x=0
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-3x+y=0
-3(0)+y=0
0+y=0
y=0

x=1
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-3x+y=0
-3(1)+y=0
-3+y=0
y=3

x=2
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-3x+y=0
-3(2)+y=0
-6+y=0
y=6

x=3
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-3x+y=0
-3(3)+y=0
-9+y=0
y=9