find m and b in f(x)=mx+b such that f(2)=2 and f(-2)= -2.
I am stumped!!!
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f(x)=mx +b
f(2)=2m + b
2m+ b=2 ........1
f(-2)=-2m+b
-2m+b=-2.......2
from 1 and 2
b=0
m=1
f(2)=2m + b
2m+ b=2 ........1
f(-2)=-2m+b
-2m+b=-2.......2
from 1 and 2
b=0
m=1
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