A quadratic function is given.

label Algebra
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f(x) = 2x2 + 4x + 3
(b) Find its vertex and its x- and y-intercept(s). (If an answer does not exist, enter DNE.) 

vertex    (xy) =
  
x-intercept    (xy) =
  
y-intercept    (xy) =
  
Mar 4th, 2015

Answer:

here I get the subsequent steps:

so:

the x-intercepts don't exist

the y-intercept is y=3

and the vertex is: V=(-1,1)


Mar 4th, 2015

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