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Mathematics 18 Online
OpenStudy (jazzyfa30):

Answer maximum value of ____ or minimum value of (blank) Determine whether each function has a maximum or a minimum value. Then find the maximum or minimum value of each function. f(x) = x2 +9

OpenStudy (anonymous):

Graph the equation. This is going to be a standard x^2 graph shifted upward 9 units. Since it is concave up (the x^2 has a positive coefficient) it has a minimum, no maximum. Use your graph to determine the coordinates of the minimum.

OpenStudy (jazzyfa30):

answer is a blank space

OpenStudy (jazzyfa30):

Answer maximum value of ____ or minimum value of (blank) Determine whether each function has a maximum or a minimum value. Then find the maximum or minimum value of each function. f(x) = x2 +9

OpenStudy (jazzyfa30):

@Noodle1998

OpenStudy (anonymous):

I'm not sure... "/ sorry

OpenStudy (jazzyfa30):

ok noodle get on chat

OpenStudy (anonymous):

@jazzyfa30 did you read my response? I've guided you to a position where you can figure out the answer. Do you need me to clarify anything?

OpenStudy (jazzyfa30):

you would have to show me how to do it you can just tell me

OpenStudy (anonymous):

If I just give you the answer I'm not helping you understand the material. I've done my best to explain the process of finding the answer to you.

OpenStudy (jazzyfa30):

i didnt say giv me the answer i said show me how to work it out and help me figure out the answer

OpenStudy (anonymous):

I did. Please read my response.

OpenStudy (jazzyfa30):

i mean work it out not tell me in words

OpenStudy (jazzyfa30):

@dumbsearch2

OpenStudy (jazzyfa30):

????????????? confuzzled

OpenStudy (dumbsearch2):

@vinnv226 Is saying to find the coordinates. Of course it would be in a blank space. https://en.wikipedia.org/wiki/Geographic_coordinate_system

OpenStudy (jazzyfa30):

i thought wiki couldnt be trusted

OpenStudy (jazzyfa30):

and how dos this help

OpenStudy (dumbsearch2):

Who's said it couldn't be trusted. The definition of coordinates stays the same wether it's wikipedia or not

OpenStudy (dumbsearch2):

Get the coordinate of the minimum, he says. That would be a number (which would fit in a blank space).

OpenStudy (jazzyfa30):

but how do i find that with the equation given

OpenStudy (jazzyfa30):

can you help me get the first part of the question

OpenStudy (jazzyfa30):

@GoldPhenoix

OpenStudy (jazzyfa30):

@Jhannybean

OpenStudy (jazzyfa30):

Do u know how to do it @Opcode ?

OpenStudy (anonymous):

graph the function and it will become clear does x^2 every become less than 0?

OpenStudy (anonymous):

ever*

OpenStudy (jazzyfa30):

idk

OpenStudy (anonymous):

plug in stuff for x and check if their squares are ever negative

OpenStudy (jazzyfa30):

?????

OpenStudy (anonymous):

is the square of a number ever negative.

OpenStudy (jazzyfa30):

no it would be no solution

OpenStudy (anonymous):

so x^2 is always above or equal to 0 right?

OpenStudy (anonymous):

with that in mind, what would be the minimum value of x^2+9

OpenStudy (jazzyfa30):

above the line i think

OpenStudy (anonymous):

but exactly where?

OpenStudy (anonymous):

minimum value y=9

OpenStudy (anonymous):

sigh^

OpenStudy (dumbsearch2):

@FutureMathProfessor Don't give away answers. Lead up to them. http://openstudy.com/code-of-conduct

OpenStudy (jazzyfa30):

IDK

OpenStudy (anonymous):

okay x^2 is at its lowest value 0, and 9 is always 9, so x^2+9 is lowest at?

OpenStudy (jazzyfa30):

0

OpenStudy (anonymous):

x^2 ++++9

OpenStudy (anonymous):

if that equals 0, it would imply that x^2 is -9

OpenStudy (jazzyfa30):

so it 9

OpenStudy (anonymous):

yeah

OpenStudy (jazzyfa30):

ok now what????

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