anonymous
  • anonymous
please help I will give a medal Two quadratic functions are shown. Function 1: f(x) = 4x2 + 8x + 1 Function 2: x -2 -1 0 1 g(x) 2 0 2 8 Which function has the least minimum value and what are its coordinates? Function 1 has the least minimum value and its coordinates are (−1, −3). Function 1 has the least minimum value and its coordinates are (0, 1). Function 2 has the least minimum value and its coordinates are (−1, 0). Function 2 has the least minimum value and its coordinates are (0, 2).
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
if you are on please respond i think i got ur answer
anonymous
  • anonymous
okay thank you
welshfella
  • welshfella
to find the minimum value of the first one convert to vertex form

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More answers

anonymous
  • anonymous
well first in the simpliset way do u want anwser of show the answer
anonymous
  • anonymous
I think so @jamesr
welshfella
  • welshfella
for the second one part of the graph will lok like:- |dw:1437137302887:dw|
anonymous
  • anonymous
go the graph and if you got the calculator a ti84+ to be exact there will be a graph button and thats how you graph like he has above for the second part but also for the first part ill send a picture for you to understand
welshfella
  • welshfella
you can find the minimum value of the first one by completing the square to get the vertex form
anonymous
  • anonymous
|dw:1437137623006:dw| kinda messed up i know
anonymous
  • anonymous
okay so would he answer be B?
welshfella
  • welshfella
f(x) = 4x2 + 8x + 1 f(x) = 4(x^2 + 2x) + 1 = 4(x + 1)^2 -4 = 1 = 4(x + 1)^2 - 3 that's vertex form for a(x - b)^2 + c vertex is (b , c) so comparing with our result we see that at the vertex which is a minimum the coordinates are (-1,-3)
anonymous
  • anonymous
yes
anonymous
  • anonymous
ooo I see so the answer is a?
welshfella
  • welshfella
from the drawing you can see that the minimum is at (-1,0) for function 2 so what is the correct option?
anonymous
  • anonymous
its B
welshfella
  • welshfella
No it s A
anonymous
  • anonymous
because its Function 1 has the least minimum value and its coordinates are (0, 1). i kmow my graph is slopy but im pretty sure its B
anonymous
  • anonymous
I think its a @welshfella
welshfella
  • welshfella
Function 1 has the least minimum value thats for sure - - I'll recheck by graphing it on my calculator
anonymous
  • anonymous
okay thank you
welshfella
  • welshfella
Yes the minimum for Function 1 is at (-1,-3) so that makes it less than the minimum for Function 2.
anonymous
  • anonymous
which would make the answer a
welshfella
  • welshfella
yep

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