f(x)= a•x -3
f(3)=a•3-3=15
a•3=15+3=18
a=6
donde f(3}=6•3-3=15
f(x)=ax+4
f(2)=a2+4=10
a2=10-4=6
a=6/2
a=3
f(2)=3•2+4=10
2(0)+8=8
(0,8) m=8
2x+8=0
2x=0-8
x=-8/2
x=-4
donde 2(-4)+8=0
(-4,0) n=-4
8+-4=-4
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f(x)= a•x -3
f(3)=a•3-3=15
a•3=15+3=18
a=6
donde f(3}=6•3-3=15
f(x)=ax+4
f(2)=a2+4=10
a2=10-4=6
a=6/2
a=3
f(2)=3•2+4=10
2(0)+8=8
(0,8) m=8
2x+8=0
2x=0-8
x=-8/2
x=-4
donde 2(-4)+8=0
(-4,0) n=-4
8+-4=-4