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February 28, 2015

February 28, 2015

Posted by **Jennifer** on Monday, January 2, 2012 at 10:27pm.

{-4 if -1¡Üx<1

{2-x^2 if x<1

- piecewise function -
**Jennifer**, Monday, January 2, 2012 at 10:28pmState the value of f(0)and f(-2) and Graph

- piecewise function -
**Reiny**, Monday, January 2, 2012 at 10:52pmI will interpret you second function as

{ -4 if -1 ≤ x< 1

and to make any sense, the third function is probably

{2 - x^2 if x < -1

so f(0) = -4, (fits the second function)

f(-2) = 2 - 4 = -2

make a sketch of each graph on the same grid in pencil, then erase the part which is outside the domain.

The first is a straight line starting at (1,1) with an open circle at (1,1) and following y = 2x-1

the second is a horizontal line y = -4 from -1 to 1

closed circle at (-1,-4) and open circle at (1,-4)

third is a parabola which opens downwards and to the left of (-1, 1) with (-1,1) open circle.

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