Need help with an algebra test about an x-axis

Nov 25th, 2015
Anonymous
Category:
Engineering
Price: $5 USD

Question description

1.Find the x-intercepts. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept.

f(x) = x3 + 2x2 - x - 2

 
 
 
2.Find the x-intercepts. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept.

f(x) = -2x4 + 4x3

 
 
 
3.Find the coordinates of the vertex for the parabola defined by the given quadratic function. 

f(x) = 2(x - 3)2 + 1

 
 
 
4.Find the domain of the following rational function.

f(x) = x + 7/x2 + 49

 
 
 

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