(c) Find its maximum or minimum value. f(x) =

Algebra
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A quadratic function is given.
f(x) = x2 + 2x − 3
(a) Express the quadratic function in standard form. 
f(x) =

(c) Find its maximum or minimum value. 

f(x) = 
 
Jul 6th, 2015

Thank you for the opportunity to help you with your question!

f(x) =x^2+2x-3

=x^2+2x+1-4

=(x+1)^2-4

Minimum value will occur at x = -1.

Hence, minimum value of f(x) = -4

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 6th, 2015

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