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Which graph is defined by f(x) = |x2 − x − 2|?
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3 votes
Which graph is defined by f(x) = |x2 − x − 2|?

User Notdrone
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2 Answers

3 votes
where is a picture of the graph 
User Brenlla
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1 vote

Answer with explanation:

The given function is

f(x)= | x² -x-2|

x²-x-2

=x²-2 x + x -2

= x (x -2)+1(x-2)

= (x+1)(x-2)

Modulus of any polynomial function will always yield positive value.

All the points lying on x axis, above x axis which is in between the parabola and on and inside the parabola are solution of the given equation.

Which graph is defined by f(x) = |x2 − x − 2|?-example-1
User Hath
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8.3k points
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