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Consider the quadratic function   . (a)    Find the vertex, x- and y-in...

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begin mathsize 16px style bold italic P bold italic a bold italic r bold italic t bold space bold italic I bold italic I space space
bold italic S bold italic H bold italic O bold italic W bold thin space bold space bold italic A bold italic L bold italic L bold space bold thin space bold italic S bold italic T bold italic E bold italic P bold italic S space space o f space y o u r space w o r k. end style

left square bracket bold 7 bold space text bold marks end text right square bracket

Consider the quadratic function  f left parenthesis x right parenthesis equals 2 x squared space plus space 8 x space plus 7.

(a)   Find the vertex, x- and y-intercepts of f.

(b)   Sketch the graph of f.  

(c)   What is the minimum value of f?

T y p e space y o u r space a n s w e r space f o r space p a r t space left parenthesis bold italic c right parenthesis space i n space t h e space b o x space b e l o w comma space bottom enclose t h e space n u m b e r space o n l y end enclose.

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