SOLUTION: f(x) = 2[x-1] +3 and g(x) = -2[x+3] - 1, state the slope and vertex of each
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Question 1163602: f(x) = 2[x-1] +3 and g(x) = -2[x+3] - 1, state the slope and vertex of each
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
What you wrote was two linear equations, but then you mentioned a vertex so you must have meant the brackets ([ and ]) to mean absolute value. Brackets have the same meaning as parentheses, so if you want to be properly understood you need to use absolute value bars. Fortunately, there is a character on your keyboard that produces absolute value bars quite nicely. Look above the Enter key (Return key on a Mac) and find the backslash button. Press Shift-Backslash and you get |.
For an absolute value function of the form \ =\ m|x\,-\,h|\ +\ k)
:
The slope to the left of the vertex is 
, the slope to the right of the vertex is 
, and the vertex is a )
Note: 
is the same thing as )
John
My calculator said it, I believe it, that settles it
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