Asked by Anonymous
Determine k and m in f (x) = kx + m if f (3x − 2) = 6x − 5
Answers
Answered by
Reiny
f(x) = kx + m
f(3x-2) = k(3x-2) + m
= 3kx - 2k + m
but that is 6x - 5
clearly, 3kx = 6x ---> 3k = 6, then k = 2
and -2k + m = -5
-4 + m = -5
m = -1
f(3x-2) = k(3x-2) + m
= 3kx - 2k + m
but that is 6x - 5
clearly, 3kx = 6x ---> 3k = 6, then k = 2
and -2k + m = -5
-4 + m = -5
m = -1
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