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Consider the parabola given by the equation: `f(x) =2 x^2 -14 x -11`

Answer the following for this parabola:

A) The graph of this function opens:


B) Give the domain of the function using interval notation:  


C) Give the range of the function using interval notation:  

X
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   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]