SOLUTION: OK, I have this " Let k(x)=-1/5x+3 . X when k(x)=-1 .. I came up with .2X but that is incorrect. What am I doing wrong? Do I fill in -1 for X? -1/5(-1)+3? Im thinking not becau

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Question 842120: OK, I have this " Let k(x)=-1/5x+3 . X when k(x)=-1 .. I came up with .2X but that is incorrect. What am I doing wrong? Do I fill in -1 for X?
-1/5(-1)+3? Im thinking not because its out side of the parenthesis. Thank you

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
over thinking it...re reply:
k(x) = , k(x) =
=

= -1/5x + 3, = -1 ⇒
-1/5x + 3 = -1
-1/5x = -4
x = 20
Wish You the Best in your Studies.
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